Under the "Users" tab, new users can be created or deleted, user information edited, and roles as well as permissions assigned to various users.
The "Roles" tab lists the currently available roles and allows each role to have certain tasks and duties enabled or disabled. New roles unique to certain users or your journal can also be created here.
Managing permissions levels and stage assignments under the "Roles" tab.
The "Site Access Options" tab allows the user to restrict access to the site or articles depending on user status and site registration.