It will help clear it and that’s about it. if you are going to bottle condition it I would advice against it. I believe it will take longer to carb up if you do. If not, go for it. There are a few threads about using gelatin, you should be able to get some with a quick search.
Melancholy Dog Brewery
Planed: more cider.
Secondary:Dry hopped amber ale, Does Equis clone.
Keged:Pumpkin spice, wizen.
Bottled: Hard cider, Oaked bourbon vanilla cider, Vanilla Porter.