The role of a user can be adjusted if you need to make a change in their permissions.
- To do this, simply go to "Administer" > "Users"
- Find the User in Question and then Click the drop down arrow next to their name
- From there, click on "Edit" and you will see checkboxes available for Roles in order to edit the user's role.
A user can have more than one role and a full outline of the roles can be found here.
User Roles and Permissions