As per below documentation, Commvault suggest to integrate the Microsoft Authenticator app with CommCell as third party unknow application for general users.
As long as you have configured the corresponding user for two factor authentication and obtained the secret key you may proceed with your domain accounts all the same as a local commcell account.
Can you clarify your issue? What account are you able to set up with the Authenticator? When you say individual user, are you referring to a local CV username?
As long as you have configured the corresponding user for two factor authentication and obtained the secret key you may proceed with your domain accounts all the same as a local commcell account.