1) Yes, but you will need both 3dsMax as well as V-Ray for Max. If you’ve got that, then you can use our material converter and make materials that will work in vfr
2) Yes, I’ve been able to render scenes that have 3-4 million polys, so big models aren’t that much of an issue. You will have to keep an eye out on your render mesh settings, but beyond that there aren’t many issues with big models.