Now, if you have DOT 8.1 and later you don't need FlexClone license anymore so you can recovery your backups in a NFS environment.
Virtual Storage Console 4.1 for VMware® vSphere™ - Installation and Administration Guide
The FlexClone license is required in the following situations:
• You are using the Provisioning and Cloning capability to clone virtual machines.
• You are using the Backup and Recovery capability in NFS environments, and running a version of Data ONTAP prior to 8.1.