Mari Smart Materials need baked textures to function properly, In the Mari tutorial, we look at why a Smart material might not look as expected and how to fix any missing geo bakes that drive your Mari Smart Material. In Mari material you will often find ambien occlusion and curvature to drive the material, in the same way Substance painters material uses baked maps to drive the material.
If you don’t know how to bake the textures properly, I made another in-depth tutorial you can find here