Hi ,
Can Dynamics 365 can be accessed by users by multiple tenants .
M365 Tenant 1 :- User A , User B
M365 Tenant 2 :- User C , User D
Can both tenant users Access D365 or only users or one tenant can and other users have to be made guest in that tenant .
is one instance of D365 associated with one tenant of M365 or can be associated with multiple tenant .