Wow to use Media Storage for 3 OS

I'm have a 3 computer's on dif OS's and all my media saved on NAS
1. my PC om Win 11
2. iMac
3. Linux
How to i can manage Media Storage Locating for all 3 Os's
On Win machine i use map network drive as M:/
On Mac this connected folder as /Volumes/Raid5
On Lnux \nmt\smb\Raid5
I can't add more than One Mount

What do you mean you can't add more than one mount?