Charles,
Take a look at using the DocumentText element.
<DDX ...>
<DocumentText mode="WithQuads" result="text.xml">
<PDF source="inDoc"/>
</DocumentText>
</DDX>
This example returns text.xml which is a word list xml document. It can output words per page (the default) or it can output the location for each word by setting the mode to "WithQuads".
Steve