Try by First working on basic rendering set up's of V ray, then check for Indirect light illumination should be enabled. Use samplings-Primary as irradiance and secondary as light cache. These options might help you in clearing those dark spots.
Try using multi sub materials option in max where we can add N-number of sub materials. You can assign separate material ID's to each sub materials and assign textures accordingly.
Try using multi sub materials option in max where we can add N-number of sub materials. You can assign separate material ID's to each sub materials and assign textures accordingly.
