HiBefore in the substance plugin for 3ds max you could point it to a folder where you exported your substance painter maps and then it would make the connections for you. That feature seems to be gone now in batch import it only accepts sbsar files?
http://hocuspocus-studio.fr/tools/product/substance-to-maxvray/Didnt your plugin do something like this before? I feel like after your official plugin came out I stoppped using this one.