I also remember there was an airdrop a while back, in March but there is no mention of this on the "Final Report Sheet". I assume this comes at a later point in time?
Here is everything you need to know as a bounty/airdrop participant:
https://medium.com/@XAYA/chi-for-bounty-hunters-and-airdroppers-59478f37ae61Am I right that you can't see a Receiving address until you actually make a Payment request on the "Receiving" tab? I did this so I assume this should be OK.
Yes, correct. If you experience troubles with the wallet or have questions, you can always have a look at the forums:
https://forum.xaya.io/. A lot of questions have been answered there, there are guides and videos and you can always create a new thread, if you have a specific question that wasn't already addressed.