On the Security tab, you can work with admin roles and, if there is a database or there are resources to control, user roles and permissions:
Security tab
There are two types of admin. An environment admin has the ability to perform all the administrative tasks that can be performed within an environment; an environment maker can create resources in that environment. In an environment you created, you'll be in both groups by default. You can add other users to either group:
User roles
Initially, you'll have two user roles as ...
