You must have the user roles defined to get started with Qualys CAR. Not all users have access to execute all the operations; hence, user segregation is a better way to streamline the process of script execution in your environment.
Qualys CAR uses role-based access control (RBAC) permissions that control access to the various functions.
To know more about the predefined roles in Qualys CAR, refer to Required Roles and Permissions for CAR.
You may also refer to the following tutorials to understand various operations:
Reviewing and Approving Scripts