HBAO+ and PCSS will be in beta when it goes live for everyone, through drivers that NV are pushing for the beta.
"Those who get a key who also have a GeForce GTX GPU, and our Game Ready driver, will receive the definitive gaming experience during the three-day test.
And amongst the many PC graphics options youll discover the ability to enable work-in-progress versions of NVIDIA HBAO+ and NVIDIA PCSS on compatible graphics cards, improving graphical fidelity in The Divisions detailed urban environment."
http://www.geforce.com/whats-new/articles/tom-clancys-the-division-beta-geforce-gtx-970-recommended
Edit:
You can redeem 1 code / platform on single uPlay account. So using single account you can redeem spot in beta once for each platform, e.g. I have spot reserved for PC and PS4 on my uPlay account.