Hacking questions can be asked specifically on the hack site photopostdev.com
From a support perspective I do not know what your after. Each product is geared towards a separate thing. Photopost is a full feature photo gallery. Reviewpost is a reviews package. The purchase of Review post is to upload a product into reviewpost and users them enter reviews from reviewpost on the product.
Point being this is all handled through Reviewpost and has no interaction with Photopost