The Senator screening notwithstanding, theaters usually frown on taking photos of the screen for legal reasons. I know people did sneak photos in the old days as it was discussed in Starlog magazine once.
I’ve been fortunate to have seen all three films to date at a 70mm IMAX venue in San Jose.
https://www.thetech.org/imax/presentations
It still beats the pants off every digital presentation I’ve seen. The print for TLJ seemed unusually dark in places though.