Normal maps are seamless if you bake them right. There are a few tricks to painting out diffuse seams, skin tone is probably one of the easiest types of seams to fix. 3dsmax >Viewport Canvas allows you to paint on the model, it even has a clone tool. In 2D view wherever you paint on one seam it spreads to all the other…
That's very strange, I always hid my seams as best possible on crevices and such, because (even on organic blobby characters) I could never get rid of that tiny seam crack in normal maps, so I would also create topolgy and unwrap according on detail of my character, so I could cut around those areas. I mean sure, Diffuse…