You should keep an eye out on the blog for announcements.
Also the announcements on this forum.
The short answer:
If your models are suitable to be entered into the exclusive program and you follow the rules, points you earn in the exclusive program can be redeemed for cash or points to redeem into gift cards to use on the Bambu Lab store or other items.
Any points earned outside of the exclusive program can be redeemed into gift cards to use on the Bambu Lab store or other items.