Assuming you are not a bot, these should be in their own thread--moderator requests is a thread for people to post their... requests, basically. For things to be moved.
In short: No, a mod cannot post anything they want, they are still bound by the rules. Mods do not mod threads, so none of that is an issue. We don't have rant threads.
The conditions for being a moderator are a thing to be discussed with the head admin, Kyros.