To open the table of contents, select the table of contents button in the lower left hand corner of the screen.
If a table of contents was created in the source PDF, it will be available to view within ARALOC. With access to the original document, you can check if the PDF has a table of contents by opening it within Acrobat Reader, then look to the left side-bar.
Table of Contents Button
Tapping an item in the table of contents will navigate to the associated page. In addition, if the item has items within itself, it will expand to disclose additional items.