Yes, as long as they were included in the RSVP.
Yes, for the church park along Norris (The street made of bricks) or the church parking lot located on the East Side of the building. For the armory: Yes, the parking lot is large-shouldn't be any problems!
Yes, with the catering service there will be tea, water and lemonade available.
As long as the bride was informed and approved the guest before hand. Feel free to message her if you are unsure.