Actually Zirman, according to the Rollback page, you should be able to:
Also, rollbacks are given rights to delete inappropriate comments
on pages. Any sexually explicit or false comments can be deleted by
rollbacks without notice of admins in order to fight against vandalism
If it isn't working, you may have to get with Leavan to see about your permissions. I would look into it, but only beaurocrats of a wiki can mess with user permissions.