Patches › updates. The list starts on awaiting review. Tick the update, then decline. A job will skip it.
The filter is awaiting review. Google Chrome on Reception PC is the row. Decline on the bar stays off until something is ticked. Review and approve missing updates is this same tab, used to approve.
Tick Google Chrome. The bar says 1 selected, and decline switches on. Press it to mark the update declined for the company. A later job skips it, including everything already approved. Back to review clears that decision. This shot stops before decline, so Chrome is still awaiting.
Put an update back to awaiting review clears a decline or an approval. Installing is still a job: Schedule a patch install. The same decision on one machine is See missing updates on one machine.