You can't see the ball in certain conditions from the promenade level of Ashe. That's a fact.
There's a way to get into the promenade level of Ashe during day session with grounds pass only, if you take the fire stairs all the way up. There are hardly any ushers there. As for going down from the promenade level, you can't really do it unless someone lets you. Also, those $1000 tickets are usually purchased by corporations who give them away to their employees. That's how you get good seats, not by cashing out a thousand bucks