When pushing VPM policy to proxy you may observe an error indicating that installation failed:
Error: The policy on the device did not match what Management Center last installed (This job is not configured to ignore warnings).
This error means that some changes to the VPM policy were made directly on Edge SWG (Not using Management Center). As a result VPM policy stored on Management Center does not match VPM policy on Edge SWG.
Create a job to push the policy and select "Force Installation" checkbox: