We have a 1 bedroom booked. Does that mean there is a separate room with a bed?

Has a separate room with a door between that has your couch and patio door to the balcony

Unless a studio, yes

Yes a separate bedroom

Every time i stayed at TotG a 1br was a privet room fo two with a connecting bath. The studios do not have a separate br. You can go to their website to see floor plans for all unit types.

Not usually. Unless you booked a suite.