Reroof- felt not overlapping?

Workers finally started today. This is a complete tear-off and reroof 10/12 pitch comp. New felt is not overlapping!! There is a clear seam between sheets. There does appear to be some type of adhesive strip joining them underneath. I’m no expert but I always thought there should be some overlap on felt. This is supposed to be a GAF “Smart Choice System Plus” install.

Are they doing it right or not???

There should be a 2" lap on the felt, 6" for the end laps.
Is there bare wood showing?

roofing over bare wood would void your warranty and is against code. Felt must have overlaps.

overlaps…yes!! try to get pics.

Overlap yes. Not go over either.