Just got back. Made it a day trip.
I'm trying to figure out the best answers to your spectator friendly question. They will welcome visitors but unless you go through the course you won't see much shooting. A few people will be warming up at the practice range.
Black Widow, Bear Archery and Big Jim's how company are there and you can shop bows. Jim has a good supply of fletching supplies, arrows, targets and other acc.
You can ask one of the club members if someone can give you pointers on your shooting and I believe they will be happy to help.
For $20 you can fun shoot all day through the course. You don't have to shoot from the stakes, walk up to what you are comfortable with. I learned more about shooting by shooting, if that makes since.