I work in a factory in industry automation and we also never ever use with personal devices. That said, it is possible for some few guys in the the tech to get

I work in a factory in industry automation and we also never ever use with personal devices. That said, it is possible for some few guys in the the tech to get an local admin account to install software, or even just to change IP-addresses. For ex. often VPNs (external people can connect to a machine) don't work and so we had several times the case a machine did stand still because of it. Then of course we not just make a link with a phone. We make a mail to the CEO and he take care of it with the IT.