If you want to reload documents using publisher follow this steps:
1. Connect to Qlikview Server Management Console.
2. Go to Documents tab and find you document in "Source documents"
3. Press "+" to add Task Manually (on the right part of screen)
4. Configure task as you need
5. Afterwards you can run this task according to your configuration.
To learn more read Qlikview Server Reference Manual
Hope this helps.