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Victory Pioneer Strategic Income Fund Summary

Investment Objective

The Victory Pioneer Strategic Income Fund (the “Fund”) seeks a high level of current income.

Fund Fees and Expenses

The table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below.

You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Class A of the Victory Funds. More information about these and other discounts is available in Investing with the Victory Funds section of the prospectus beginning on page 46, the “Appendix A — Variations in Sales Charge Reductions and Waivers Available Through Certain Intermediaries,” and the “Sales charges” section of the statement of additional information. If you invest in Class R6 shares or Class Y shares through an investment professional or financial intermediary, that investment professional or financial intermediary may charge you a commission. Such commissions, if any, are not charged by the Fund and are not reflected in the fee table or expense example below.

Shareholder Fees
(paid directly from your investment)

	Class A	Class C	Class R6	Class R	Class Y
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	2.25%	None	None	None	None
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of purchase or sale price)	None1	1.00%2	None	1.00%	None

Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)

Management Fees	0.57%	0.57%	0.57%	0.57%	0.57%
Distribution and/or Service (12b-1) Fees	0.25%	1.00%	0.00%	0.50%	0.00%
Other Expenses3	0.31%	0.18%	0.08%	0.32%	0.18%
Total Annual Fund Operating Expenses	1.13%	1.75%	0.65%	1.39%	0.75%
Fee Waiver/Expense Reimbursement4	(0.06)%	(0.06)%	(0.06)%	(0.05)%	(0.06)%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement4	1.07%	1.69%	0.59%	1.34%	0.69%

A contingent deferred sales charge of 0.75% may be imposed on Class A shares with respect to purchases of $250,000 or more that are redeemed within 18 months of purchase. For additional information, see the section titled Choosing a Share Class.

Applies to shares sold within 12 months of purchase.

Estimated for the current fiscal year, as the Fund has not yet commenced investment operations.

Victory Capital Management Inc. (the “Adviser”) has contractually agreed to waive its management fee and/or reimburse expenses for at least three years following the closing of the reorganization of Pioneer Strategic Income Fund (the “predecessor fund”) into the Fund (the “Reorganization”) so that the total annual fund operating expenses (excluding certain items such as interest, taxes, and brokerage commissions) do not exceed 1.07%, 1.69%, 0.59%, 1.34%, and 0.69% of the Fund’s Class A, Class C, Class R6, Class R, and Class Y shares, respectively. The Adviser is permitted to recoup advisory fees waived and expenses reimbursed for up to two years after the date of the waiver or reimbursement, subject to the lesser of any operating expense limits in effect at the time of (a) the original waiver or expense reimbursement; or (b) the recoupment, after giving effect to the recoupment amount. This agreement may only be terminated by the Fund's Board of Trustees.

Victory Pioneer Strategic Income Fund Summary

Example:

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods shown and then sell or continue to hold all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The amounts shown reflect any fee waiver/expense reimbursement in place through its expiration date. After eight years, Class C shares of the Fund generally will convert automatically to Class A shares of the Fund. The example for Class C shares reflects the conversion to Class A shares after eight years. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

	1 Year	3 Years	5 Years	10 Years
Class A	$332	$558	$815	$1,552
Class C	$272	$533	$931	$2,047
Class R6	$60	$189	$343	$792
Class R	$136	$425	$745	$1,655
Class Y	$70	$221	$398	$913

The following example makes the same assumptions as the example above, except that it assumes you do not sell your Class C shares at the end of the period.

	1 Year	3 Years	5 Years	10 Years
Class C	$172	$533	$931	$2,047

The example does not reflect sales charges (loads) on reinvested dividends and other distributions. If these sales charges (loads) were included, your costs would be higher.

Portfolio Turnover:

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares of the Fund are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. For its most recent fiscal year, the predecessor fund's portfolio turnover rate was 63% of the average value of its portfolio. No portfolio turnover information is included here for the Fund because the Fund has not yet commenced investment operations.

Principal Investment Strategy

Normally, the Fund invests at least 80% of its net assets (plus the amount of borrowings, if any, for investment purposes) in debt securities. Derivative investments that provide exposure to debt securities or have similar economic characteristics may be used to satisfy the Fund’s 80% policy. The Fund has the flexibility to invest in a broad range of issuers and segments of the debt securities markets. The Fund’s investment adviser allocates the Fund’s investments among the following three segments of the debt markets:

◼

Below-investment-grade (high yield or “junk bond”) securities of U.S. and non-U.S. issuers

◼

Investment-grade securities of U.S. issuers

◼

Investment-grade securities of non-U.S. issuers

The Adviser’s allocations among the segments of the debt markets depend upon its outlook for economic, interest rate, and political trends. At any given time, the Fund may have a substantial

Victory Pioneer Strategic Income Fund Summary

amount of its assets in any one of such segments. The Fund may invest in securities of issuers in any market capitalization range, industry, or market sector.

The Fund invests primarily in debt securities issued or guaranteed by the U.S. government, its agencies or instrumentalities or non-U.S. governmental entities; debt securities of U.S. and non-U.S. corporate issuers (including convertible debt); mortgage-related securities, including commercial mortgage-backed securities (“CMBS”), collateralized mortgage obligations (“CMOs”), credit risk transfer securities and “sub-prime” mortgages; and asset-backed securities. The Fund may invest a substantial portion of its assets in asset-backed securities and mortgage-related securities, including CMBS, CMOs and other mortgage-related securities issued by private issuers. The Fund’s investments in mortgage-related securities may include instruments, the underlying assets of which allow for balloon payments (where a substantial portion of a mortgage loan balance is paid at maturity, which can shorten the average life of the mortgage-backed instrument) or negative amortization payments (where as a result of a payment cap, payments on a mortgage loan are less than the amount of principal and interest owed, with excess amounts added to the outstanding principal balance, which can extend the average life of the mortgage-backed instrument).

The Fund may invest in securities of any maturity and maintains an average portfolio maturity which varies based upon the judgment of the Fund’s investment adviser. The maturity of a fixed income security is a measure of the time remaining until final payment on the security is due. The Fund’s investments may have fixed or variable principal payments and all types of interest rate payment and reset terms, including fixed rate, adjustable rate, floating rate, zero coupon, contingent, deferred, payment in kind, and auction rate features.

Depending upon the Adviser’s allocation among market segments, up to 70% of the Fund’s total assets may be in debt securities rated below investment grade at the time of purchase or determined to be of equivalent quality by the adviser. Up to 20% of the Fund’s total assets may be invested in debt securities rated below CCC by Standard & Poor’s Financial Services LLC or the equivalent by another nationally recognized statistical rating organization or determined to be of equivalent credit quality by the adviser. The Fund’s investments in debt securities rated below investment grade may include securities that are in default. The Fund may invest in floating rate loans, subordinated debt securities, insurance-linked securities, and municipal securities. The Fund may also invest in Treasury Inflation Protected Securities (“TIPS”) and other inflation-linked debt securities.

Up to 85% of the Fund’s total assets may be in debt securities of non-U.S. corporate and governmental issuers, including debt securities of corporate and governmental issuers in emerging markets.

The Fund may invest up to 20% of its total assets in equity securities, including common stocks, preferred stocks, rights, warrants, depositary receipts, securities of other investment companies (including mutual funds, exchange-traded funds and closed-end funds) that invest primarily in equity securities, and equity interests in real estate trusts (“REITs”).

The Fund may, but is not required to, use derivatives, such as credit default swaps, credit default swap index products (“CDX”) (swaps based on a portfolio of credit default swaps with similar characteristics, such as credit default swaps on high-yield bonds), forward foreign currency exchange contracts, and bond and interest rate futures. The Fund may use derivatives for a variety of purposes, including: in an attempt to hedge against adverse changes in the market price of securities, interest rates or currency exchange rates; as a substitute for purchasing or selling securities; to attempt to increase the Fund’s return as a non-hedging strategy that may be considered speculative; to manage portfolio characteristics; and as a cash flow management technique. The Fund may choose not to make use of derivatives for a variety of reasons, and any use may be limited by applicable law and regulations. The Fund also may hold cash or other short-term investments.

The Adviser considers both broad economic and issuer specific factors in selecting investments. In assessing the appropriate maturity, rating, sector, and country weightings of the portfolio, the Adviser considers a variety of factors that are expected to influence economic activity and interest rates. The

Victory Pioneer Strategic Income Fund Summary

Adviser selects individual securities to buy and sell based upon such factors as a security’s yield, liquidity and rating, an assessment of credit quality, and sector, and issuer diversification.

The Adviser integrates environmental, social, and corporate governance (“ESG”) considerations into its investment research process by evaluating the business models and practices of issuers and their ESG-related risks. ESG considerations are not a primary focus of the Fund, and the weight given by the Adviser to ESG considerations in making investment decisions will vary and, for any specific decision, they may be given little or no weight.

Principal Risks

You could lose money on your investment in the Fund. As with any mutual fund, there is no guarantee that the Fund will achieve its objective.

Market Risk —The market prices of securities or other assets held by the Fund may go up or down, sometimes rapidly or unpredictably, due to general market conditions, such as real or perceived adverse economic, political, or regulatory conditions, political instability, recessions, inflation, changes in interest or currency rates, lack of liquidity in the bond markets, the spread of infectious illness or other public health issues, weather or climate events, armed conflict, market disruptions caused by tariffs, trade disputes, sanctions or other government actions, or other factors or adverse investor sentiment. If the market prices of the Fund’s securities and assets fall, the value of your investment will go down. A change in financial condition or other event affecting a single issuer or market may adversely impact securities markets as a whole.

In the past decade, financial markets throughout the world have experienced increased volatility, depressed valuations, decreased liquidity and heightened uncertainty. Governmental and non-governmental issuers have defaulted on, or been forced to restructure, their debts. These conditions may continue, recur, worsen or spread. Events that have contributed to these market conditions include, but are not limited to, major cybersecurity events; geopolitical events (including wars, terror attacks and economic sanctions); measures to address budget deficits; downgrading of sovereign debt; changes in oil and commodity prices; dramatic changes in currency exchange rates; global pandemics; and public sentiment. Some sectors of the economy and individual issuers have experienced or may experience particularly large losses. Periods of extreme volatility in the financial markets, reduced liquidity of many instruments, increased government debt, inflation, and disruptions to supply chains, consumer demand and employee availability, may continue for some time.

Raising the ceiling on U.S. government debt has become increasingly politicized. Any failure to increase the total amount that the U.S. government is authorized to borrow could lead to a default on U.S. government obligations, with unpredictable consequences for economies and markets in the United States and elsewhere. Inflation and interest rates may increase. These circumstances could adversely affect the value and liquidity of the Fund’s investments, impair the Fund’s ability to satisfy redemption requests, and negatively impact the Fund’s performance. In addition, inflation, rising interest rates, global supply chain disruptions, and other market events could adversely affect the companies or issuers in which the Fund invests. Following Russia’s invasion of Ukraine, Russian securities lost all, or nearly all, their market value. Other securities or markets could be similarly affected by past or future political, geopolitical, or other events or conditions.

Governments and central banks, including the U.S. Federal Reserve, have taken extraordinary and unprecedented actions to support local and global economies and the financial markets. These actions have resulted in significant expansion of public debt, including in the United States. The consequences of high public debt, including its future impact on the economy and securities markets, may not be known for some time. U.S. Federal Reserve or other U.S. or non-U.S. governmental or central bank actions, including increases or decreases in interest rates, or contrary actions by different governments, could negatively affect financial markets generally, increase market volatility and reduce the value and liquidity of securities in which the Fund invests. Policy and legislative changes in the United States and in other countries are affecting many aspects of financial regulation, and these and

Victory Pioneer Strategic Income Fund Summary

other events affecting global markets, such as the United Kingdom’s exit from the European Union (or Brexit), potential trade imbalances with China or other countries or sanctions or other government actions against Russia, other nations or individuals or companies (or their countermeasures), may contribute to decreased liquidity and increased volatility in the financial markets. The impact of these changes on the markets, and the implications for market participants, may not be fully known for some time.

The United States and other countries are periodically involved in disputes over trade and other matters, which may result in tariffs, investment restrictions and adverse impacts on affected companies and securities. For example, the United States has imposed tariffs and other trade barriers on Chinese exports, has restricted sales of certain categories of goods to China, and has established barriers to investments in China. Trade disputes may adversely affect the economies of the United States and its trading partners, as well as companies directly or indirectly affected and financial markets generally. The U.S. government has prohibited U.S. persons, such as the Fund, from investing in Chinese companies designated as related to the Chinese military. These and possible future restrictions could limit the Fund’s opportunities for investment and require the sale of securities at a loss or make them illiquid. Moreover, the Chinese government is involved in a longstanding dispute with Taiwan that has included threats of invasion. If the political climate between the United States and China does not improve or continues to deteriorate, if China were to attempt unification of Taiwan by force, or if other geopolitical conflicts develop or get worse, economies, markets and individual securities may be severely affected both regionally and globally, and the value of the Fund’s assets may go down.

Economies and financial markets throughout the world are increasingly interconnected. Economic, financial or political events, trading and tariff arrangements, armed conflict such as between Russia and Ukraine or in the Middle East, terrorism, natural disasters, infectious illness or public health issues, cybersecurity events, supply chain disruptions, sanctions against Russia, other nations or individuals or companies and possible countermeasures, and other circumstances in one country or region could have profound impacts on other countries or regions and on global economies or markets. As a result, whether or not the Fund invests in securities of issuers located in or with significant exposure to the countries or regions directly affected, the value and liquidity of the Fund’s investments may be negatively affected. The Fund may experience a substantial or complete loss on any security or derivative position.

High-Yield or “Junk” Bond Risk — Debt securities that are below investment grade, called “junk bonds,” are speculative, have a higher risk of default or are already in default, tend to be less liquid and are more difficult to value than higher grade securities. Junk bonds tend to be volatile and more susceptible to adverse events and negative sentiments. These risks are more pronounced for securities that are already in default.

Interest Rate Risk —The market prices of the Fund’s fixed income securities may fluctuate significantly when interest rates change. The value of your investment will generally go down when interest rates rise. A rise in rates tends to have a greater impact on the prices of longer term or duration securities. For example, if interest rates increase by 1%, the value of a fund’s portfolio with a portfolio duration of ten years would be expected to decrease by 10%, all other things being equal. A general rise in interest rates could adversely affect the price and liquidity of fixed income securities and could also result in increased redemptions from the Fund. The maturity of a security may be significantly longer than its effective duration. A security’s maturity and other features may be more relevant than its effective duration in determining the security’s sensitivity to other factors affecting the issuer or markets generally, such as changes in credit quality or in the yield premium that the market may establish for certain types of securities (sometimes called “credit spread”). In general, the longer its maturity the more a security may be susceptible to these factors. When the credit spread for a fixed income security goes up or “widens,” the value of the security will generally go down.

Victory Pioneer Strategic Income Fund Summary

Rising interest rates can lead to increased default rates, as issuers of floating rate securities find themselves faced with higher payments. Unlike fixed rate securities, floating rate securities generally will not increase in value if interest rates decline. Changes in interest rates also will affect the amount of interest income the Fund earns on its floating rate investments.

Credit Risk — If an issuer or guarantor of a security held by the Fund or a counterparty to a financial contract with the Fund defaults on its obligation to pay principal and/or interest, has its credit rating downgraded or is perceived to be less creditworthy, or the credit quality or value of any underlying assets declines, the value of your investment will typically decline. Changes in actual or perceived creditworthiness may occur quickly. The Fund could be delayed or hindered in its enforcement of rights against an issuer, guarantor or counterparty.

Prepayment or Call Risk — Many issuers have a right to prepay their securities. If interest rates fall, an issuer may exercise this right. If this happens, the Fund will not benefit from the rise in market price that normally accompanies a decline in interest rates, and will be forced to reinvest prepayment proceeds at a time when yields on securities available in the market are lower than the yield on the prepaid security. The Fund also may lose any premium it paid on the security.

Extension Risk — During periods of rising interest rates, the average life of certain types of securities may be extended because of slower than expected principal payments. This may lock in a below market interest rate, increase the security’s duration and reduce the value of the security.

Liquidity Risk — Some securities and derivatives held by the Fund may be or become impossible or difficult to purchase, sell or unwind, particularly during times of market turmoil. An instrument’s liquidity may be affected by reduced trading volume, a relative lack of market makers or legal restrictions, and illiquid securities and derivatives also may be difficult to value. Markets may become illiquid quickly. Liquidity risk may be magnified in an environment of rising interest rates or widening credit spreads. During times of market turmoil, there have been, and may be, no buyers or sellers for securities in entire asset classes. If the Fund is forced to sell an illiquid asset or unwind a derivative position to meet redemption requests or other cash needs, or to try to limit losses, the Fund may be forced to sell at a substantial loss or may not be able to sell at all. The Fund may not receive its proceeds from the sale of certain securities for an extended period (for example, several weeks or even longer). In extreme cases, this may constrain the Fund’s ability to meet its obligations (including obligations to redeeming shareholders).

Portfolio Selection Risk — The Adviser’s judgment about the quality, relative yield, relative value or market trends affecting a particular sector or region, market segment, security, industry or about interest rates or other market factors may prove to be incorrect or may not produce the desired results, or there may be imperfections, errors or limitations in the models, tools and information used by the Adviser.

ESG Risk — The Adviser may consider ESG information in its investment research process. This may mean forgoing some investment opportunities available to Funds that do not consider ESG information. In considering ESG information, the Adviser may use third party ESG ratings information that it believes to be reliable, but such information may not be accurate or complete, or may be biased. ESG considerations are not a primary focus of the Fund, and the weight given by the Adviser to ESG considerations in making investment decisions will vary and, for any specific decision, they may be given little or no weight.

U.S. Treasury Obligations Risk — The market value of direct obligations of the U.S. Treasury may vary due to changes in interest rates. In addition, changes to the financial condition or credit rating of the U.S. government may cause the value of the Fund’s investments in obligations issued by the U.S. Treasury to decline.

U.S. Government Agency Obligations Risk — The Fund invests in obligations issued by agencies and instrumentalities of the U.S. government. Government-sponsored entities such as the Federal National

Victory Pioneer Strategic Income Fund Summary

Mortgage Association (“FNMA”), the Federal Home Loan Mortgage Corporation (“FHLMC”) and the Federal Home Loan Banks (“FHLBs”), although chartered or sponsored by Congress, are not funded by congressional appropriations and the debt and mortgage-backed securities issued by them are neither guaranteed nor issued by the U.S. government. The maximum potential liability of the issuers of some U.S. government obligations may greatly exceed their current resources, including any legal right to support from the U.S. government. Such debt and mortgage-backed securities are subject to the risk of default on the payment of interest and/or principal, similar to debt of private issuers. Although the U.S. government has provided financial support to FNMA and FHLMC in the past, there can be no assurance that it will support these or other government-sponsored entities in the future.

Mortgage-Related and Asset-Backed Securities Risk — The value of mortgage-related securities, including commercial mortgage-backed securities, collateralized mortgage-backed securities, credit risk transfer securities, and asset-backed securities, will be influenced by factors affecting the assets underlying such securities. As a result, during periods of declining asset value, difficult or frozen credit markets, swings in interest rates, or deteriorating economic conditions, mortgage-related and asset-backed securities may decline in value, face valuation difficulties, become more volatile and/or become illiquid. Mortgage-backed securities tend to be more sensitive to changes in interest rates than other types of debt securities. These securities are also subject to interest rate, prepayment and extension risks. Some of these securities may receive little or no collateral protection from the underlying assets and are thus subject to the risk of default. The risk of such defaults is generally higher in the case of mortgage-backed investments offered by non-governmental issuers and those that include so-called “sub-prime” mortgages. The structure of some of these securities may be complex and there may be less available information than for other types of debt securities. Upon the occurrence of certain triggering events or defaults, the Fund may become the holder of underlying assets at a time when those assets may be difficult to sell or may be sold only at a loss.

Risks of Instruments that Allow for Balloon Payments or Negative Amortization Payments — Certain debt instruments allow for balloon payments or negative amortization payments. Such instruments permit the borrower to avoid paying currently a portion of the interest accruing on the instrument. While these features make the debt instrument more affordable to the borrower in the near term, they increase the risk that the borrower will be unable to make the resulting higher payment or payments that become due at the maturity of the loan.

Risks of Investing in Loans — Floating rate loans and similar investments may be illiquid or less liquid than other investments and difficult to value. Market quotations for these securities may be volatile and/or subject to large spreads between bid and ask prices. No active trading market may exist for many floating rate loans, and many loans are subject to restrictions on resale. Any secondary market may be subject to irregular trading activity and extended trade settlement periods. In particular, loans may take longer than seven days to settle, potentially leading to the sale proceeds of loans not being available to meet redemption requests for a substantial period of time after the sale of the loans. To the extent that sale proceeds of loans are not available, the Fund may sell securities that have shorter settlement periods or may access other sources of liquidity to meet redemption requests. There is less readily available, reliable information about most senior loans than is the case for many other types of securities. Loans may not be considered “securities,” and purchasers, such as the Fund therefore may not be entitled to rely on the anti-fraud protections afforded by federal securities laws.

Collateral Risk — The value of collateral, if any, securing a floating rate loan can decline, and may be insufficient to meet the issuer’s obligations or may be difficult to liquidate. In addition, the Fund’s access to collateral may be limited by bankruptcy or other insolvency laws. Uncollateralized loans involve a greater risk of loss.

Risk of Disadvantaged Access to Confidential Information — The Adviser’s decision not to receive material, non-public information about an issuer of a loan either held by, or considered for investment

Victory Pioneer Strategic Income Fund Summary

by, the Fund, under normal circumstances could place it at a disadvantage, relative to other loan investors, in assessing a loan or the loan’s issuer, and adversely affect the Fund’s investment performance.

Risks of Investing in Insurance-Linked Securities — The Fund could lose a portion or all of the principal it has invested in an insurance-linked security, and the right to additional interest and/or dividend payments with respect to the security, upon the occurrence of one or more trigger events, as defined within the terms of an insurance-linked security. Trigger events may include natural or other perils of a specific size or magnitude that occur in a designated geographic region during a specified time period, and/or that involve losses or other metrics that exceed a specific amount. The Fund may also invest in insurance-linked securities that are subject to “indemnity triggers.” An indemnity trigger is a trigger based on the actual losses of the ceding sponsor (i.e., the party seeking reinsurance). Insurance-linked securities subject to indemnity triggers are often regarded as being subject to potential moral hazard, since such insurance-linked securities are triggered by actual losses of the ceding sponsor and the ceding sponsor may have an incentive to take actions and/or risks that would have an adverse effect on the Fund. There is no way to accurately predict whether a trigger event will occur and, accordingly, insurance-linked securities carry significant risk. In addition to the specified trigger events, insurance-linked securities may expose the Fund to other risks, including but not limited to issuer (credit) default, adverse regulatory or jurisdictional interpretations and adverse tax consequences. Certain insurance-linked securities may have limited liquidity, or may be illiquid. The Fund has limited transparency into the individual contracts underlying certain insurance-linked securities, which may make the risk assessment of such securities more difficult. Certain insurance-linked securities may be difficult to value.

Inflation-Linked Securities Risk —The principal or interest of inflation-linked securities such as TIPS is adjusted periodically to a specified rate of inflation. The inflation index used may not accurately measure the real rate of inflation. Inflation-linked securities may lose value or interest payments on such securities may decline in the event that the actual rate of inflation is different than the rate of the inflation index, and losses may exceed those experienced by other debt securities with similar durations. The values of inflation-linked securities may not be directly correlated to changes in interest rates, for example if interest rates rise for reasons other than inflation.

Risks of Subordinated Securities — A holder of securities that are subordinated or “junior” to more senior securities of an issuer is entitled to payment after holders of more senior securities of the issuer. Subordinated securities are more likely to suffer a credit loss than non-subordinated securities of the same issuer, any loss incurred by the subordinated securities is likely to be proportionately greater, and any recovery of interest or principal may take more time. As a result, even a perceived decline in creditworthiness of the issuer is likely to have a greater impact on subordinated securities than more senior securities.

Municipal Securities Risk — The municipal bond market can be susceptible to unusual volatility, particularly for lower-rated and unrated securities. Liquidity can be reduced unpredictably in response to overall economic conditions or credit tightening. Municipal issuers may be adversely affected by rising health care costs, increasing unfunded pension liabilities, and by the phasing out of federal programs providing financial support. Unfavorable conditions and developments relating to projects financed with municipal securities can result in lower revenues to issuers of municipal securities, potentially resulting in defaults. Issuers often depend on revenues from these projects to make principal and interest payments. The value of municipal securities can also be adversely affected by changes in the financial condition of one or more individual municipal issuers or insurers of municipal issuers, regulatory and political developments, tax law changes or other legislative actions, and by uncertainties and public perceptions concerning these and other factors. Municipal issuers may be more susceptible to downgrades or defaults during recessions or similar periods of economic stress. Financial difficulties of municipal issuers may continue or get worse, particularly in the event of political, economic or market turmoil or a recession. To the extent the Fund invests significantly in a

Victory Pioneer Strategic Income Fund Summary

single state, city, territory (including Puerto Rico), or region, or in securities the payments on which are dependent upon a single project or source of revenues, or that relate to a sector or industry, the Fund will be more susceptible to associated risks and developments.

Risks of Zero Coupon Bonds, Payment in Kind, Deferred and Contingent Payment Securities — These securities may be more speculative and may fluctuate more in value than securities which pay income periodically and in cash. In addition, although the Fund receives no periodic cash payments on such securities, the Fund is deemed for tax purposes to receive income from such securities, which applicable tax rules require the Fund to distribute to shareholders. Such distributions may be taxable when distributed to shareholders.

Risks of Non-U.S. Investments — Investing in non-U.S. issuers, or in U.S. issuers that have significant exposure to foreign markets, may involve unique risks compared to investing in securities of U.S. issuers. These risks are more pronounced for issuers in emerging markets or to the extent that the Fund invests significantly in one region or country. These risks may include different financial reporting practices and regulatory standards, less liquid trading markets, extreme price volatility, currency risks, changes in economic, political, regulatory and social conditions, military conflicts and sanctions, terrorism, sustained economic downturns, financial instability, reduction of government or central bank support, inadequate accounting standards, auditing and financial recordkeeping requirements, tariffs, tax disputes or other tax burdens, nationalization or expropriation of assets, arbitrary application of laws and regulations or lack of rule of law, and investment and repatriation restrictions. Investors in foreign countries often have limited rights and few practical remedies to pursue shareholder claims. Lack of information and less market regulation also may affect the value of these securities. Withholding and other non-U.S. taxes may decrease the Fund’s return. Non-U.S. issuers may be located in parts of the world that have historically been prone to natural disasters. Emerging market economies tend to be less diversified than those of more developed countries. They typically have fewer medical and economic resources than more developed countries and thus they may be less able to control or mitigate the effects of a pandemic. Investing in depositary receipts is subject to many of the same risks as investing directly in non-U.S. issuers. Depositary receipts may involve higher expenses and may trade at a discount (or premium) to the underlying security.

A number of countries in the European Union (“EU”) have experienced, and may continue to experience, severe economic and financial difficulties. In addition, the United Kingdom has withdrawn from the EU (commonly known as “Brexit”). The range and potential implications of possible political, regulatory, economic, and market outcomes of Brexit cannot be fully known but could be significant, potentially resulting in increased volatility, illiquidity and potentially lower economic growth in the affected markets, which will adversely affect the Fund's investments.

Sanctions or other government actions against certain countries could negatively impact the Fund’s investments in securities that have exposure to those countries. Circumstances that impact one country could have profound impacts on other countries and on global economies or markets. China and other developing market countries may be subject to considerable degrees of economic, political and social instability. The U.S. government has imposed restrictions on U.S. investor participation in certain Chinese investments. These matters could adversely affect China’s economy. In addition, China’s long-running conflict over Taiwan’s sovereignty, border disputes with many neighbors and historically strained relations with other Asian countries could result in military conflict that could adversely impact the economies of China and other Asian countries, disrupt supply chains, and severely affect global economies and markets.

Russia launched a large-scale invasion of Ukraine on February 24, 2022. In response to the military action by Russia, various countries, including the United States, the United Kingdom, and European Union, issued broad-ranging economic sanctions against Russia and Belarus and certain companies and individuals. Russia has taken retaliatory actions, including preventing repatriation of capital by United States and other investors. Since then, Russian securities have lost all, or nearly all, their market value, and many other issuers, securities and markets have been adversely affected. The

Victory Pioneer Strategic Income Fund Summary

ongoing conflict has resulted in significant market disruptions, including in certain markets, industries and sectors, such as the oil and natural gas markets, and negatively affected global supply chains, food supplies, inflation and global growth. The United States and other countries may impose sanctions on other countries, companies and individuals in light of Russia’s military invasion. The extent and duration of the military action or future escalation of such hostilities, the extent and impact of existing and future sanctions, market disruptions and volatility, and the result of any diplomatic negotiations cannot be predicted. These and any related events could have a significant impact on the value and liquidity of certain Fund investments, on Fund performance and the value of an investment in the Fund.

Currency Risk — The Fund could experience losses based on changes in the exchange rate between non-U.S. currencies and the U.S. dollar or as a result of currency conversion costs. Currency exchange rates can be volatile, and are affected by factors such as general economic conditions, the actions of the U.S. and foreign governments or central banks, the imposition of currency controls and speculation.

Equity Securities Risk — Equity securities are subject to the risk that stock prices may rise and fall in periodic cycles and may perform poorly relative to other investments. This risk may be greater in the short term. Equity securities represent an ownership interest in an issuer, rank junior in a company's capital structure to debt securities and consequently may entail greater risk of loss than debt securities. Equity securities have the lowest priority, and the greatest risk, with respect to dividends and any liquidation payments in the event of an issuer’s bankruptcy.

Risks of Convertible Securities — The market values of convertible securities tend to decline as interest rates increase and, conversely, to increase as interest rates decline. A downturn in equity markets may cause the price of convertible securities to decrease relative to other fixed income securities.

Preferred Stocks Risk — Preferred stocks may pay fixed or adjustable rates of return. Preferred stocks are subject to issuer-specific and market risks applicable generally to equity securities. In addition, a company’s preferred stocks generally pay dividends only after the company makes required payments to holders of its bonds and other debt. Thus, the value of preferred stocks will usually react more strongly than bonds and other debt to actual or perceived changes in the company’s financial condition or prospects. The market value of preferred stocks generally decreases when interest rates rise. Also, the market prices of preferred stocks are more sensitive to changes in the issuer's creditworthiness than are the prices of debt securities. Generally, under normal circumstances, preferred stocks do not carry voting rights. Preferred stocks may trade less frequently and in a more limited volume and may be subject to more abrupt or erratic price movements than other securities. Preferred stocks of smaller companies may be more vulnerable to adverse developments than preferred stocks of larger companies.

Risks of Investing in Other Funds — Investing in other investment companies, including exchange-traded funds (“ETFs”) and closed-end funds, subjects the Fund to the risks of investing in the underlying securities or assets held by those funds. When investing in another fund, the Fund will bear a pro rata portion of the underlying fund’s expenses, including management fees, in addition to its own expenses. ETFs and closed-end funds are bought and sold based on market prices and can trade at a premium or a discount to the ETF’s or closed-end fund’s net asset value. Such funds may trade at a discount for an extended period and may not ever realize their net asset value.

Derivatives Risk — Using swaps, futures, and other derivatives can increase Fund losses and reduce opportunities for gains when market prices, interest rates, currencies, or the derivative instruments themselves behave in a way not anticipated by the Fund. Using derivatives may increase the volatility of the Fund’s net asset value and may not provide the result intended. Derivatives may have a leveraging effect on the Fund. Some derivatives have the potential for unlimited loss, regardless of the size of the Fund’s initial investment. Derivatives are generally subject to the risks applicable to the

Victory Pioneer Strategic Income Fund Summary

assets, rates, indices or other indicators underlying the derivative. Changes in a derivative’s value may not correlate well with the referenced asset or metric. The Fund also may have to sell assets at inopportune times to satisfy its obligations. Derivatives may be difficult to sell, unwind or value, and the counterparty may default on its obligations to the Fund. Use of derivatives may have different tax consequences for the Fund than an investment in the underlying security, and such differences may affect the amount, timing and character of income distributed to shareholders. The U.S. government and foreign governments have adopted and implemented or are in the process of adopting and implementing regulations governing derivatives markets, including mandatory clearing of certain derivatives, margin and reporting requirements. The ultimate impact of the regulations remains unclear. Additional regulation of derivatives may make them more costly, limit their availability or utility, otherwise adversely affect their performance or disrupt markets.

Credit Default Swap Risk — Credit default swap contracts, a type of derivative instrument, involve special risks and may result in losses to the Fund. Credit default swaps may in some cases be illiquid, and they increase credit risk since the Fund has exposure to the issuer of the referenced obligation and either the counterparty to the credit default swap or, if it is a cleared transaction, the brokerage firm through which the trade was cleared and the clearing organization that is the counterparty to that trade.

Credit Default Swap Index Risk — The Fund may invest in credit default swap index products (“CDX”) (swaps based on a portfolio of credit default swaps with similar characteristics, such as credit default swaps on high-yield bonds) in an effort to obtain exposure to a diversified portfolio of credits or to hedge against existing credit risks. CDX have similar risks as other credit default swaps contracts. The use of CDX is subject to the risk that the Fund’s counterparty will default on its obligations. Investments in CDX are also subject to credit risk with respect to the issuers of the underlying reference obligations in the index, liquidity risk and operational risks. The Fund will also normally indirectly bear its proportionate share of any expenses paid by a CDX in addition to the expenses of the Fund.

Risks of Investing in Inverse Floating Rate Obligations — The interest rate on inverse floating rate obligations will generally decrease as short-term interest rates increase, and increase as short-term rates decrease. Due to their leveraged structure, the sensitivity of the market value of an inverse floating rate obligation to changes in interest rates is generally greater than a comparable long-term bond issued by the same issuer and with similar credit quality, redemption and maturity provisions. Inverse floating rate obligations may be volatile and involve leverage risk.

Forward Foreign Currency Transactions Risk — The Fund may not fully benefit from or may lose money on forward foreign currency transactions if changes in currency rates do not occur as anticipated or do not correspond accurately to changes in the value of the Fund’s holdings, or if the counterparty defaults. Such transactions may also prevent the Fund from realizing profits on favorable movements in exchange rates. Risk of counterparty default is greater for counterparties located in emerging markets.

Leveraging Risk — The value of your investment may be more volatile and other risks tend to be compounded if the Fund borrows or uses derivatives or other investments, such as ETFs, that have embedded leverage. Leverage generally magnifies the effect of any increase or decrease in the value of the Fund’s underlying assets and creates a risk of loss of value on a larger pool of assets than the Fund would otherwise have, potentially resulting in the loss of all assets. Engaging in such transactions may cause the Fund to liquidate positions when it may not be advantageous to do so to satisfy its obligations. New derivatives regulations require the Fund, to the extent it uses derivatives to a material extent, to, among other things, comply with certain overall limits on leverage. These regulations may limit the ability of the Fund to pursue its investment strategies and may not be effective to mitigate the Fund’s risk of loss from derivatives.

Victory Pioneer Strategic Income Fund Summary

Market Segment Risk — To the extent the Fund emphasizes, from time to time, investments in a market segment, the Fund will be subject to a greater degree to the risks particular to that segment, and may experience greater market fluctuation than a fund without the same focus.

Valuation Risk — Nearly all of the Fund’s investments are valued using a fair value methodology. The sales price the Fund could receive for any particular portfolio investment may differ from the Fund’s valuation of the investment, particularly for illiquid securities and securities that trade in thin or volatile markets. These differences may increase significantly and affect Fund investments more broadly during periods of market volatility. Investors who purchase or redeem Fund shares may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the securities had not been fair-valued or if a different valuation methodology had been used. The ability to value the Fund’s investments may also be impacted by technological issues and/or errors by pricing services or other third party service providers.

Redemption Risk — The Fund may experience heavy redemptions that could cause the Fund to liquidate its assets at inopportune times or at a loss or depressed value, or accelerate taxable gains or transaction costs, which could cause the value of your investment to decline.

Cybersecurity Risk — Cybersecurity failures by and breaches of the Adviser, transfer agent, the Distributor, custodian, Fund accounting agent or other service providers may disrupt Fund operations, interfere with the Fund’s ability to calculate its NAV, prevent Fund shareholders from purchasing, redeeming or exchanging shares or receiving distributions or receiving timely information regarding the Fund or their investment in the Fund, cause loss of or unauthorized access to private shareholder information, and result in financial losses to the Fund and its shareholders, regulatory fines, penalties, reputational damage, or additional compliance costs. New ways to carry out cyber attacks continue to develop. Therefore, there is a chance that some risks have not been identified or prepared for, or that an attack may not be detected, which puts limitations on the Fund’s ability to plan for or respond to a cyber attack.

Expense Risk — Your actual costs of investing in the Fund may be higher than the expenses shown in “Annual Fund Operating Expenses” for a variety of reasons. For example, expense ratios may be higher than those shown if overall net assets decrease. Net assets are more likely to decrease and Fund expense ratios are more likely to increase when markets are volatile.

Please note that there are many other factors that could adversely affect your investment and that could prevent the Fund from achieving its goals.

An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Investment Performance

The bar chart and performance table provide an indication of the risks of investing in the Fund. The Fund has adopted the performance of the Pioneer Strategic Income Fund (the “predecessor fund”) as the result of a reorganization of the predecessor fund into the Fund (the “Reorganization”). The predecessor fund had substantially similar objectives, policies, and investment strategies as the Fund. Prior to the Reorganization, the Fund had not yet commenced operations. The bar chart shows changes in the performance of the predecessor fund from year to year as of December 31. The performance table compares the predecessor fund’s performance to that of one or more broad measures of market performance. Per new regulatory requirements, the Bloomberg U.S. Aggregate Bond Index, which represents the U.S. investment-grade bond market, serves as the Fund’s regulatory broad-based securities market index. The Bloomberg U.S. Universal Index is provided to show how the Fund’s performance compares with the returns of an index of securities similar to those in which the Fund invests. The Fund’s (and the predecessor fund’s) past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Victory Pioneer Strategic Income Fund Summary

The returns shown for periods ending on or prior to the Reorganization are those of the Class A, Class C, Class K, Class R and Class Y shares of the predecessor fund. Class A, Class C, Class K, Class R, and Class Y shares of the predecessor fund were reorganized into Class A, Class C, Class R6, Class R and Class Y shares, respectively, of the Fund in the Reorganization. Class A, Class C, Class R6, Class R, and Class Y shares’ returns of the Fund will be different from the returns of the predecessor fund as they have different expenses.

Fund performance reflects any applicable fee waivers and expense reimbursements. Performance returns would be lower without applicable fee waivers and expense reimbursements.

All Fund performance shown assumes the reinvestment of dividends and capital gains and the effect of the Fund’s expenses.

Updated performance information is available on the Fund’s website at vcm.com

Calendar Year Returns for Class A Shares

For the period covered by the bar chart:

During the periods shown in the chart:	Returns	Quarter ended
Highest Quarter	11.48%	June 30, 2020
Lowest Quarter	-12.39%	March 31, 2020

Victory Pioneer Strategic Income Fund Summary

Average Annual Total Returns (For the Periods Ended December 31, 2024)	1 Year	5 Years	10 Years
CLASS A Before Taxes	-0.44%	0.52%	2.15%
CLASS A After Taxes on Distributions	-2.47%	-1.16%	0.63%
CLASS A After Taxes on Distributions and Sale of Fund Shares	-0.28%	-0.26%	1.00%
CLASS C Before Taxes	2.64%	0.79%	1.96%
CLASS R6 Before Taxes	4.78%	1.91%	3.08%
CLASS R Before Taxes	4.12%	1.15%	2.32%
CLASS Y Before Taxes	4.79%	1.82%	2.98%
Indices
Bloomberg U.S. Aggregate Bond Index reflects no deduction for fees, expenses, or taxes	1.25%	-0.33%	1.35%
Bloomberg U.S. Universal Index reflects no deduction for fees, expenses, or taxes	2.04%	0.06%	1.73%

After-tax returns use the historical highest individual federal marginal income tax rates and do not reflect the effect of state and local taxes. In certain situations, the return after taxes on distributions and sale of fund shares may be higher than the other return amounts. A higher after-tax return may result when a capital loss occurs upon redemption and translates into an assumed tax deduction that benefits the shareholder. Actual after-tax returns depend on your tax situation and may differ from those shown. After-tax returns shown are not relevant if you own your Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Class A shares. After-tax returns for Class C, Class R6, Class R, and Class Y shares will vary.

Management of the Fund

Investment Adviser

Victory Capital Management Inc. (the “Adviser”) serves as the Fund’s investment adviser. The portfolio managers jointly and primarily responsible for day-to-day management of the Fund are members of Pioneer Investments, a Victory Capital investment franchise.

Portfolio Management

	Title	Tenure with the Fund and Predecessor Fund
Kenneth J. Taubes	Executive Vice President and Portfolio Manager	Since 1999
Andrew Feltus	Managing Director and Co-Director of High Yield	Since 2012
Brad Komenda	Managing Director and Director of Investment Grade Corporates	Since 2021
Jonathan Scott	Senior Vice President and Deputy Director of Multi-Sector Fixed Income	Since 2018

Victory Pioneer Strategic Income Fund Summary

Purchase and Sale of Fund Shares

Investment Minimums	Class A	Class C	Class R6	Class R	Class Y
Minimum Initial Investment	$2,500	$2,500	None	None	$1,000,000
Minimum Subsequent Investments	$50	$50	None	None	None

For Class A and Class C shares a $1,000 minimum initial purchase amount and a $50 minimum subsequent purchase amount apply for Individual Retirement Accounts (IRAs), gift/transfer to minor accounts, and purchases through automatic investment plans.

Certain broker-dealers and other financial intermediaries (such as a bank) may establish higher or lower minimum initial and subsequent investment amounts to which you may be subject if you invest through them.

You may redeem your shares on any day the Fund is open for business. Redemption requests may be made by telephone (with prior appropriate approval) or by mail.

When you buy and redeem shares, the Fund will price your transaction at the next-determined net asset value (“NAV”) after the Fund receives your request in good order, which means that your request contains all the required documentation, and that all documents contain required signatures or signature guarantees from a financial institution.

Tax Information

The Fund’s distributions may be taxable whether you receive them in cash, additional shares of the Fund, or you reinvest them in shares of another Victory Fund, and may be taxed as ordinary income or capital gains, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or an individual retirement account. Taxes may be imposed on withdrawals from tax-deferred arrangements.

Payments to Broker-Dealers and Other Financial Intermediaries

If you purchase the Fund through a broker-dealer or other financial intermediary (such as a bank), the Fund and its related companies may pay the intermediary for the sale of Fund shares and related services. These payments create a conflict of interest by influencing the broker-dealer or other intermediary and your salesperson or investment professional to recommend the Fund over another investment. Ask your salesperson or investment professional or visit your financial intermediary’s website for more information.

Victory Pioneer Strategic Income Fund
	Class A	Class C	Class R6	Class R	Class Y
	PSRAX	PSRCX	STRKX	STIRX	STRYX