I have used Section Access to control and reduce the data based on user's access.
But when I use AccessPoint to visit the doc, the access control is great, but the default value of the field is missing. For example: I set the year with 2010 as the default value before saving the doc.
In QlikView 10, up until SR2 at least, selections you save in a source document and then distribute do not maintain the selections. You might also want to make sure Prohibit Session Recovery is unchecked in the QEMC if you are not publishing documents.
If you are using Publisher, for now, your best bet would be to try an OnOpen trigger in the Document Properties: