How will SSO authentication via SAML benefit clients?

It gives clients complete control over who accesses Streaming Server.
Client organizations (schools, hospitals, etc.) typically have a user base that they manage in their computer systems through Active Directory or some similar method. SSO authentication via SAML allows the client's already-existing user base to remain the single source of truth regarding which users should and should not have access to Streaming Server. As soon as a new user is added to the client's user base, that user will have access. Conversely, if a user is removed from the client's user base, then the very next time that user tries to authenticate into Streaming Server, they will be denied access.