It could be a "reverse normals" problem.  In the material room, in the Poser Surface Node, put a checkmark in the box that says "reverse normals". Do that for all the material groups.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi