Without taking a position on the ethics of automation, surely this isn't a serious question? Things that the ToS prohibits you from doing are ToS violations, and other things aren't.
For instance, from AirBnb's terms of service: "Do not use bots, crawlers, scrapers, or other automated means to access or collect data or other content from or otherwise interact with the Airbnb Platform."
There is no similar prohibition against using screen readers.
> There is no similar prohibition against using screen readers.
A screen reader uses automated means to access or collect data or other content from or otherwise interact with a platform.