Hello,
This is a good way to kick the tires with Veeam Backup for Nutanix v4 and AHV. The prior version of CE was below AOS 6.x. You could not demo Instant VM Recovery because this feature was available with VBN AHV v3.x and required AOS AHV 6.x. It can be installed on an ESXi server. Please follow the links below. It does require that you register with a Nutanix account.
Caution: It is not recommended to register CE clusters with Prism Central, which is being used for commercial licensed clusters.
Caution: No upgrade path to CE 2.0 will be provided from the older CE or Prism Central for CE.
Nutanix Community Edition Getting Started (Hardware requirements)
Community Edition 2.0 Dashboard
Instant VM Recovery test on CE 2.0 AOS 6.5.2 with VBR 12