If you set *comment to a Role, the Admin role doesn't override. So the admins don't get the comment boxes unless you also add them to the specific role too.
Ticket
Admin Should Get Comment Box if Anyone does+issues
If you set *comment to a Role, the Admin role doesn't override. So the admins don't get the comment boxes unless you also add them to the specific role too.
Admin Should Get Comment Box if Anyone does+discussed in support tickets