Though Adobe documentation certifies compatibility using JAWS and Fire Fox, it is not practical, or financially feasible in many cases, to expect screen reader users to switch their standard browser / screen reader combinations in accordance with each application they need. NVDA with FF is among the top screen reader and browser combinations used by persons with visual disabilities, running head-to-head with JAWS https://webaim.org/projects/screenreadersurvey7/. These are just two of the accessibility issues reported by the AUL. They just happen to be the most significant and important.