From : Blog Entry>>ILTA’s Blog Entry
Kofax PowerPDF   (formerly Nuance PowerPDF) PDF Documents Display in Tabs With the latest version of PowerPDF, documents can open in tabs, instead of a new window.  However, there are still ways to view a PDF document in a separate instance of PowerPDF instead of a Tab.           Here are three different ways:   By default, multiple PDF documents open in new tabs instead of new windows. OPTION 1: Documents can be opened in a new instance by clicking and dragging the tab away from the program, [More]