Most MK_47 files require specific plugins or textures. If the model looks "flat" or gray, check the Virt-A-Mate Hub for missing dependency links.
If it doesn't appear immediately, use the "All Flattened" filter in the file browser to find the specific MK_47 entry. MK_47.LOOKS_JaF.1.var
"JaF" likely refers to a specific sub-series or model collaboration within MK_47's catalog. How to Use the File Most MK_47 files require specific plugins or textures