Biometric authentication can be required for some companies. You’d have to opt in to use the system or at least agree to the terms set forth by the employer. This kind of stuff doesn’t just get collected just because; it’s pretty sensitive data.
What you’re talking about is a cyberpunk nightmare; some corporate-assisted mass surveillance designed for like, union busting.
If you’re making vocal and facial profiles of employees you must have some reason to do so, and it can’t just be to burn cash. Like I said before, this stuff costs money, and it’s kind of pointless unless you’re using it in a way that makes money, selling the data somehow.