SAS 9.4 authenticates against the host on the compute and metadata tiers by default, passing the supplied credentials to the host for validation. If your Windows Server VM is configured to use Azure AD as it's domain controller, it would authenticate against Azure AD.
-- Greg Wootton | Principal Systems Technical Support Engineer
The SAS Users Group for Administrators (SUGA) is open to all SAS administrators and architects who install, update, manage or maintain a SAS deployment.