Possibly. It will depend on the location (depth) of your hitch and the size of the tailgate. With the rack unload, yes you will be able to.
On some configurations with the rack in the second position it maybe possible, but likely won't usable to get into the bed.
If you have additional questions you can contact customer support here, or by calling 888-925-4621 M-F from 7 to 4 PT