OK, I restarted the container (Linux VPS), deleted the database, created a new db, created a new user, selected all permissions in cPanel, went to Navicat and added the rest of the permission (including view), saved the changes, went back to make sure the permissions stuck - they did.
I then deleted the Connection folder (had to login as root), started Firefox, cleared the browser cache, went to the root of the PowerStore (009) folder.
Installation wizard started normally. Entered the new db info and got this error on page 2 of the wizard.
ERROR: You MySQL user (power) needs the CREATE VIEW privilege. Please update the user permissions and try this step again. Contact your hosting provider if you need assistance.
Have to run for now.