Nested groups configured with roles and permissions in Active Directory are not recognized on vCenter or SDDC Manager.
VMware vCenter Server
VMware SDDC Manager
vCenter server and SDDC manager connect to AD to query the user credentials, and the nested groups will be queried based on the configured Distinguish Name details for Users/Groups. The vCenter and SDDC Manager can't recognize the roles and permissions from AD.
The users will log in to vCenter and SDDC Manager with their assigned roles and permissions defined on vCenter and SDDC Manager, and not on the AD level.