KB1191: Veeam licensing
https://www.veeam.com/kb119125.08.2011 · To check what version your license key is for, open the *.lic file in Notepad/Word and locate the section listed as " Version " For example if your " Version" is listed as 9.x you are able to install any patch for Veeam Backup and Replication 9.0 or Veeam Backup and Replication 9.5
Viewing License Information - User Guide for VMware vSphere
helpcenter.veeam.com › docs › backupApr 14, 2021 · To open the License Information window, from the main menu select License. The following details are available for the current license: Status — license status (Valid, Invalid, Expired, Not Installed, Warning, Error). Type — license type (Perpetual, Subscription, Rental, Evaluation, NFR, Free).