These are web apps, they are unlikely to use anything other than what the browser/OS provide them. This is most likely due to lousy audio drivers, an issue plaguing desktop Linux since its very inception.

> issues with audio during Zoom, Teams, and Google Meetings sessions

I don't know about the app but it has been a solved problem on linux using the web browser early in 2020 when people started getting sent home due to the covid and remaining bugs were quickly ironed out.

Interestingly, Firefox handles all three like a champ. Even uses XDG portals so I can share a single window or just audio if I want. Chrome took ages to get support, and it's still hit & miss.