To turn on paging buttons:

  1. Go to Options* Options icon> Interaction.
  2. Under View, toggle Show Paging Buttons to ON. 
  3. You will see a Paging Buttons Position setting. Choose whether you want the Paging Buttons on the Bottom or Top of the page.

*On iPhone and iPod touch, you will find the Options button in the Tools popup at the far left of the bottom toolbar