The substance SBRAR loader is no longer supported in Toolbag, as of version 4.0. This was removed at the request of Adobe/Substance. To render substance materials in Toolbag, you'll need to export image files such as TGA or PNG.
Before you go hog wild with sculpting you might find it worthwhile to really double check the proportions thoroughly. To do that you can export model from zbrush and do a quick rig (or just pose manually using soft-select) and put her into various poses. Check those out from many angles wherever you'll do the final render.…
Most likely it is too late for you but maybe this will help someone else as I was struggling with the similar problem. This happens because sometimes 3dsmax can't recognize which is the mirror bone so it picks the same one or a wrong one. In mirror mode you can see blue, green and red bones and red ones are those who…