None, because Proxmox is questionable open-source with annoyances and a mangled system that fails often. TrueNAS Scale is overkill and buggy, not even a simple WG container they can get right. Install it all barebones on Debian 12, setup Samba for shares, FileBrowser for a WebUI, ZFS or whatever filesystem with the appropriate tools and if you need some kind of isolation use LXC/LXD that are now both available from Debian repositories without Snaps.
WG comes to mind, totally broken because someone decided to hardcode eth0 as interface name and modern systems use biosdevname.