First see pages 31 - 35 of the Publisher Reference manual to set up your QVW as a Source Document. Then see page 38 of the Manual to set up a Reload task. Finally, see pages 42 - 44, 47 - 49 to add the Task to a Job and execute the Job.
Also, please note that you can install the free version of QV Desktop. This will give you QV.exe which can be used to command-line reload the document.