In DS you can rig her using classic Poser Rigging (V4), TriAx (V5 or 6), V7 (Dual Quat) or with General Weight Maps. FBX export from DS will convert the first two to general weight maps and will, if I understand it correctly, leave Dual Quat as Dual Quat.  The format does not understand JCM and including morphs in the export significantly increases the weight of the figure. I know some additional work is done to move morphs across for the Morph3D store (AFAIK, that does include JCM), but I do not know what that work entails.