There are three main user roles in the vCenter Server Appliance.

The local users of the vCenter Server Appliance have the rights to perform various tasks in the vCenter Server Appliance. Three user roles are available in the vCenter Server Appliance:

Operator
Local users with the operator user role can read the appliance configuration.
Administrator
Local users with the administrator user role can configure the appliance.
Super Administrator
Local users with the super administrator user role can configure the appliance, manage the local accounts, and use the Bash shell.