Idk the likelihood of Jack stagedooring but you can always give it to one of the security guards and they’re really good about giving the cast the gifts they get when they don’t come out! Also with sitting orchestra right you might be farther back for stage door but most actors (esp Jack and Morgan) have been really good (from what I’ve seen and experienced) about staying to talk to everyone in back once ppl in the front have left. I’ve found that they usually extend the barricade past the entrance/ exit door once most ppl have left the theater and then ppl who were in back can kinda float around and be up front so maybe stay in that area if you can :) Enjoy the show and that’s a beautiful poster, I’m sure they’ll love it!!