Not yet. That is our goal. Presently, one can view some description of the collections. Learn more: 
The USGS Denver Paleontology collections are not a museum - more like a library. These are “working” research collections. Researchers visit routinely.
Unfortunately that’s not feasible. There are one full-time and two part-time employees.  Some fossil photos can viewed and downloaded from the USGS Photographic Library .
Yes. Researchers are always welcome to visit. Appointments for research are required.