NSX Cloud components are upgraded using the following workflow.

Upgrading NSX Cloud components from 3.1.x to 3.2.0

If you are upgrading NSX Cloud components from NSX-T Data Center 3.1.x to 3.2.0, follow this checklist:

Task Instructions
Run the day-0 NSX Cloud scripts to update permissions for the PCG role in your public cloud. See Regenerate the Public Cloud Permissions
Upgrade the Upgrade Coordinator from CSM. See Upgrade the Upgrade Coordinator from CSM.
Upgrade the Upgrade Coordinator from NSX Manager. See: Upgrade the Upgrade Coordinator from NSX Manager.
Upgrade the NSX Tools first followed by the PCG upgrade. See Upgrade NSX Tools and PCG.
Upgrade CSM. See Upgrade CSM
Upgrade NSX Manager. See Upgrade NSX Manager.