EzPPb uses Joomla 2.5 native ACL which allows you to allow/deny access to the different parts of EzPPb for each defined Joomla group.

For Joomla 1.5, you are restricted to allowing access to the manager, administrator, or super administrator groups. Administrators will have access to parts that are restricted to managers and admins. Super admins will have access to parts restricted to managers, admins, and super admins