An update now I've been poking around more in this... PMD injections works fine but those are rarely made for Daz characters. It might be a fix for merchants though, at least as a temporary solution.

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.