Max, and their mesh animation controls :headbang:.
Maya has skeletons which look like mesh but are wireframes only.
Press 4 and look for the skeleton inside the model. Or, go into windows-outliner and select the joint 1. or root joint, or whatever they renamed it. Press the up arrow a couple of times, cuz you might not have selected the entire chain.
Then press CTRL-A twice, I think, till the Channel Box appears. From there, the visibility might be turned off, so turn it on.
I think, this is your problem. Maybe not.
Hope this helped,
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