Agave set
If you use V-Ray 3.0 and less, pay attention to that, in materials in the chapter BRDF Microfaset GTR ( GGX ) is applied,If you use V-Ray 3.1 and more, the field will be empty. Select Blinn, Phong or Ward.
If on preview you see fur, please turn on mrprim option in Effects
files : max2014, obj, mtl, texturesTurbosmooth: viewport-0 / render-1/2
If something is missing please contact with me