The blue indicates an "authorization zone." It's a block of airspace that requires an approved LAANC to operate. In this case, it is for the active TFR.
You can verify the 107 certificates here: FAA Registry - Airmen - AirmenInquiry - Name Search
Remember there is a different FAA ID number for privileges for aircraft (pilot) vs. remote pilots (drones). When you look up a remote pilot certificate here is what the outcome looks like.