Add links to a structured document
If you plan to reflow a tagged PDF file onto a small screen, add hypertext links to make the text easier to read and navigate.
1.Choose View > Navigation Tabs > Tags to open the Tags tab.
2.Select the Select Text tool .
3.Select the text you want to use to create a link.
4.Right-click (Windows) or Control-click (Mac OS) the selected text, and choose Create Link.
5.In the Create Link dialog box, select an action for the link, and click OK.
The structure tree now contains a child node, Link Object Reference (Link - OBJR), under the structure node associated with the text where you created the link.

Advanced Editing Topics
Creating links in complete Help