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.
1/ So basically i have this simple reference setup in photoshop for blender 2/ I crop based on guide lines reference parts and export every as png 3/ And just for problem showcasing, I will select only two images that I cropped "side view" and "front view" and exported from Photoshop So they are both almost equal in height…