The OCR component is a separate MSI that the installer runs so is not part of the main Revu MSI file.
Can this please be packaged into the global library? The install command as per the deployment guide is very simple - msiexec.exe /i “[path to deployment folder]\BluebeamOCR x64 21.msi” /qn
Bluebeam® Revu® 21 Deployment Guide | Bluebeam Technical Support