Yes. In 5.x you use the backburner program. Your machine is the only one that needs to be licensed then install the compact version of 3dsmax on all your other machines that you want in the farm. you can assign different jobs to the other machines and have them render for you, but 2 machines can't help render on frame, only one machine and render one frame, however in 6.0 that is coming out soon you will beable to have mult. machine help render out one frame, with the into. of Mental Ray integrated in 3dsmax.
Press F1 and search for Network Rendering. The help file has a step by step guide to help you set this up.