DJ-VMPageBreak extension for Joomla® 2.5/1.7/1.6 is the answer for your questions about lack of functionality of standard PageBreak Joomla plugin in Virtuemart 2. If you're already familiar with PageBreak functionality that come with core Joomla 2.5 installation or our DJ-Catalog2 extension - using DJ-VMPageBreak is easy as that.
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