: Open the Thumbnail or Outline panels on the left to jump between chapters and pages instantly. Editing & Annotation Tools Quick Start Guide - PDF Reader Pro
: Open the app and go to General > Preferences to set it as your default viewer for easier access. PDF Reader Pro 2.8.16
: Toggle between Dark Mode , Sepia, or Reseda (light green) themes to reduce eye strain. : Open the Thumbnail or Outline panels on