The only problem with hollow parts is that you'll trap uncured (liquid) resin inside the print.
There is a hollow Millennium Falcon on Thingiverse for SLA/DLP printers (kinda cool in clear. Too bad the hollow area isn't of the interior of the ship, just hollow). They had to design hidden drain holes into the print. Maybe a quarter of the interior was filled with resin when I removed it. I can only assume there would have been more resin trapped inside if not for the drain holes.
It took about an hour for the print to drain.