The Console uses roles to determine the activities that users can (or cannot) carry out within the Console. Before users can perform management activities of any kind, these users must be assigned a role. Admittedly, a user not assigned a role can log on to the Console, but the only thing he or she will see upon doing so is this:
The Console supports 14 different roles, each of which is described in more detail in the Console Roles section of this documentation. Before viewing the individual role descriptions, however, you might want to take a quick peek at an article explaining the relationship between Console roles and Capture Dashboard permissions.