Yes. Just tell the concierge in the street level lobby that you are going to the bar.
The above reply is correct
Yes, if the coaches by the windows are not reserved that is the best place to sit down and relax.
Yes.
Yes you can. No reservations needed for cocktails at the large bar area.
You can there's a bar lounge with 3 couches right next to windows
Yes but get there early.
Yes you can, as long as there's is no venue going on.
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