Starting from Adaxes 2023, you can manage Azure AD users, groups, and resource mailboxes that are not synchronized with an on-premises AD domain. However, having a registered Microsoft 365 tenant is not sufficient to view and manage cloud-only objects. You need to register your Azure AD domain. For details, see Register/unregister a managed domain.
It is also recommended to include the entire Azure AD domain in the scope of your Microsoft 365 tenant in Adaxes: