As you know Azure AD comes with a capability to review access to your environment – both Teams/O365 groups and Azure AD Roles assignment.

Well, you can now also review the access of service principals with Azure AD role assigned to it.

To take advantage of this new review capability, logon to your Azure AD portal (https://aad.portal.azure.com/) and access the Identity Governance\Azure AD Roles\Azure AD Roles\Access reviews to create a new review and select Service Principals as the scope of the review