AIMZ has four roles:
Owner — full access. Can give other users Admin and Owner access. Typically: finance manager or controller.
Admin — can administer the project and give others access (add users). Typically: project manager.
Writer — can register and edit all data, including the estimate and production codes, but cannot give access to others. Typically: site manager.
Reader — read-only access.
Read more about the roles and the levels they can be given at in What roles are there in AIMZ, and what can each role do?