Hi @RST pleas take a look to Query and view security audit events using Azure Monitor for how to view and analyze the security audit events using Azure Monitor and the Kusto query language. Also you might try Review security audit events in Azure Active Directory Domain Services using Azure Monitor Workbooks which offer Azure AD DS templates for security overview and account activity that will let you dig into audit events and manage your environment.
Let us know if this answer was helpful to you. If so, please remember to mark it as the answer so that others in the community with similar questions can more easily find a solution.