Stopping the pmlogsrvd will not impact sudo requests. Pmserviced is the service responsible for servicing sudo requests (pmmasterd port) from the plugin hosts, and even if pmserviced is stopped/disabled, the plugins can use the local pmserviced/pmmasterd to perform offline evaluations.
Pmlogsrvd is merely responsible for processing the eventlog files that the pmmasterd processes create and moving the event data into the eventlog database. Subsequent sudo requests will then be processed offline by the local pmserviced/pmmasterd until the plugin hosts notice that the services on the policy service have been restored.