By default, you have no access to windows network directories. Those are not visible or accessible unless you will mount them in /mnt/somedir folder.
Firts lets crete a folder with in mnt directory that will be then mounted to our network drive.
sudo mkdir /mnt/somedir
Now lets mount the netowrk drive
$ sudo mount -t drvfs '\\server\somedir' /mnt/somedir
https://askubuntu.com/questions/1397506/access-windows-network-shares-from-ubuntu-shell-in-wsl