A VCF license is applied in vCenter 8.0.
When you navigate to the [Administration] > [Licenses] > [VCF License Name] screen in the vSphere Client and select the "vCenter Server Systems" tab, "--" is displayed in the "Usage" column.
VMware vCenter Server 8.0
This is the expected display result in environments where a VCF license is applied.
The usage status can be confirmed in the "Summary" tab, etc.