Although the above is correct, the one fact that is not mentioned is that you need the copyright owners permission. Ask Smith Micro if you can use the mesh to do what you are trying. They may say yes based on the fact the newest figures are allowed to be used in the way you are using Miki4. If they say Yes then you are good.

Poser 5, 6, 7, 8, Poser Pro 9 (2012), 10 (2014), 11, 12, 13