Do they sell the cans to go?

Absolutely, they sell cans and bottles to go. You can buy as little as 1 can up to the limit on their offering

Yes, cans to go are sold through a different line around the back. When you enter through the front, head to the left and then towards the back for to-go sales, you can't miss it.

Yes and fill growlers too I believe. Theirs and unmarked.

Yes