It is possible to import and authenticate users with Azure Active Directory Domain Services (Azure AD) the same way as with on premise Active Directory.
Read here about how to enable LDAPS in Azure Active Directory Domain Services:
Note: The part about importing the certificate can be ignored. Once you have a valid certificate, see below how to set it up within Visionflow
Example configuration for authentication using Azure Active Directory Domain Services:
See How to Configure LDAP (AD) Import for more information on how to configure LDAP
Under General -> Settings -> Integration -> LDAP
Open up your cert in a text editor, copy the entire content of the certificate and past it into the row for "LDAP Certificate":
(The certificate in the picture is just an example and not a valid one)