It generally means someone translating your information to the format the government employees expect, because each attempt costs multiple weeks of waiting. Basically, if there is a 6-week response time, you want to get it right on the first try.

In other cases, you pay people to save yourself the hassle of fighting for an appointment slot, and to save a trip across town in the middle of a work day. These fixers become the somewhat digital layer to a famously analog bureaucracy.