Welcome to the seasonal salt contest, where you get your regular dosage of salt to finish up your anime seasonal course! Hope you enjoy!!
Have Fun Nominating!
You cannot get notifications directly but you can check /new on /r/anime every day at 6 PM EDT/22 UTC for the daily contest threads. Also, the bracket can be found directly on the Anime Bracket site here: https://animebracket.com/brackets/
The character you're inquiring about is not in the bracket for either one of the following reasons:
They appeared in OVAs, ONAs or Specials only and not in TV series or movies during the season. (Although some exceptions can be made)
They appeared in a TV series or more than 3 non-TV anime before the start of the anime season the contest is about.
They didn't get enough screentime in the season to be considered elegible to participate in the contest.
They are in a series in which more than 4 characters were nominated and they did not get within the top 4 amount of votes during eliminations.