(Insert Clever Name) said: "For the Sat 2pm preformence Of hadestown, there are some $99 companion seats without an accessible seat. What happens to these seats?"
If unsold they eventually get released back into inventory. I believe 72 hours in advance.
There are laws about ADA seating (companion seats included) that state that they can’t be released as regular seating until certain circumstances are reached. The show being sold out or a certain amount of time until the performance, which I can’t remember exactly right off the top of my head.