Not particularly, I'm not sure I understand what it is. With Substance painter I regularly release a normal map, basecolor, OcclusionRoughnessMetallic. But I don't have this problem when I import them on max or unreal for example.
I don't know much about their engine "RAGE" but
it looks similar to UE5's meta human hair so I believe it's a similar
system, looking at it again it looks like it might be a groom hair made in Houdini, I guess we will have to wait and find out. I notcied a little SSS on the ear and some kind of heat map on the shirt for…