Quote - It wasn't Clara IO that triangulated the models, it was the conversion to FBX format, for some reason.  I'm looking into what I can do to stop that from happening when I use the FBX exporter from 3dsmax.  Thanks for the feedback.

Be sure you don't have "triangulate" option enabled in the FBX exporter.  Also, I've heard this issue too when exporting embedded media, like textures in the FBX.  Regardless, the models load and render perfectly in Clara, even with the "hidden" edges exposed in the mesh.

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Tools :  3dsmax 2015, Daz Studio 4.6, PoserPro 2012, Blender v2.74

System: Pentium QuadCore i7, under Win 8, GeForce GTX 780 / 2GB GPU.