Risk management exerts a significant influence on the competitiveness of an organization and its operational processes. It presents opportunities for expansion, foresight, and the need to promote sustainability. Many organizations have executed comprehensive risk management processes. Moreover, internal audit has increasingly attracted managers’ attention, forming the basis of modern governance methods. The aim of this study is to examine, from the viewpoint of the agency, the impact of the role of internal auditors, training in risk management, and management support on risk management. Following this, the work examines risk management in terms of the risk-based auditing implementation that is performed by Saudi public organizations. This study encompassed 234 completed and therefore valid questionnaires from the manager and assistance of the internal audit department, internal auditors, accountants, and managers employed in Saudi public organizations. The data collected have been analyzed utilizing Smart Partial Least Squares (SmartPLS). This study’s findings confirmed that there is a significant association between the role of internal auditors in risk management, training in risk management, and between management support and risk management. There is also a significant association between risk management and the implementation of risk-based internal auditing. This study’s findings have significant ramifications for those in charge of public-sector organizations, and sustainability, aiming to enhance the dependability and trustworthiness of the internal audit process and other aspects of financial reports and audits in general. Currently, there is a dearth of published research on the factors that influence risk management and also on risk-based internal auditing. This study contributes to the emerging literature on this subject by examining Saudi public organizations; it also establishes empirical variables through a thorough review of relevant research. Conducted here is an empirical investigation that identifies the factors that affect risk management and then its influence on risk-based internal auditing implementation in the economic system of Saudi Arabia. By focusing on Saudi public organizations, this article highlights other countries that have similar systems of governance rules and procedures in their government-operated entities.