Poser is not a modeller. Poser, as the name suggests, lets you pose models that have been made in other programs, for use in Poser. If I created a character in Poser, I could not give it to you. Most of characters you see for sale in the MP or for free in Free Stuff require that you buy the figure and/or its morph packs. Even if someone made a V3 Natalie clone and uploaded it to Free Stuff, you could not use it in Max. It would likely be just a texture and some INJ files. You would need V3 and her morph packs to use it.