...
These VMware Desktop products will import directly from an OVF/OVA file so you can just start up the software and select "File → Open" and select the OVA file for import.
VMware Fusion 11
:Even though, there are no caveats in relation to importing the Virtual Appliance using VMware Fusion,
it is important to remind users to grant permission to VMware Fusion to fully execute on OSX, specially after installing it.
The following message is displayed while running the VM without the permission granted.
The permission should be granted on System Preferences > Security & Privacy
4. Upgrade the Virtual machine hardware version (optional)
...
To use OVF/OVA files with other virtualisation systems like KVM you may have to convert the OVF file to a native format; Two well-known tools for this purpose are virt-v2v (available in CentOS6/RHEL) and virt-convert (in Debian).
VMware Fusion 11
Even though, there are no caveats in relation to importing the Virtual Appliance using VMware Fusion, it is important to remind users to grant permission to VMware Fusion to fully execute on OSX, specially after installing it.
...