I fear the only true answer is no.

You could share parts and pieces, but whole scenes can not be transferred between both apps. (and certainly not maintain all its functionalities, materials, rigging, Subd, to name a few are different and not 100% interchangable)

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!