we can't see the agreements and for your own benefit you should have the agreement reviewed by a lawyer.
generally, the appreciation in PUI is not taxed until sold. however, the agreement may provide for you to receive actual compensation in the form of guaranteed payments which would be subject to self-employment tax. if you didn't actually get paid the GPs your basis would increase affecting
here is one blog outlining how they work. Search the web for other threads on them. however, as stated above, there are variations so talking to a lawyer/tax pro is in your best interest.
https://humancapital.aon.com/insights/articles/2022/profits-interests-how-do-they-work#:~:text=If%20...
