Proxmox is amateur hour. No enterprise support

> Proxmox is amateur hour. No enterprise support

24/7 support will be available starting in October:

* https://www.proxmox.com/en/about/company-details/press-relea...

The other thing perhaps worth noting that the entire stack is open source, even Proxmox's 'special sauce' for management. Depending on your organization, if you can solve a problem with Debian (and Qemu) you can solve a problem with Proxmox.