if you want to specify the Windows server as a gateway
for that particular CIFS share then you have to add it in VBR console beforehand. If you choose to stay on automatic gateway selection option, then the gateway will be chosen automatically by VBR, which might result in non-optimal selection and decreased data transfer performance, especially in case of CIFS share being located far from the gateway.
Will it be possible to have 2 different data volumes on the same storage with a backup repository in each where the one volume is a CIFS Share and the second volume serves as the Backup repository for Cloud Connect
Yes, it is possible.