I don’t know if there are any standards for these kinds of steel structure projects. If there aren’t, then basically every company can build the way they think is best. I’m also sure you can find companies that offer projects with planned sound insulation, thermal insulation, and everything else. For example, US Patriot Steel
https://www.uspatriotsteel.com/blog/metal-building-siding/. They have some great projects. It doesn’t look like a metal box from the outside, and everything inside should also be well thought out. Plus, you can always ask questions and clarify these details.