PDF Markup provides 2 ways that enable you to manage you documents.
Approach 1: Manage Files via Left-Swipe Gesture
2. Tap on one file and swipe from right to left to share / copy / rename / create link / delete.
Approach 2: Manage Files via Action Buttons
1.Tap "Documents" () for the file list and then tap "Edit" at the top right corner.
2. You will see a checkbox appeared in front of each file or folder.
3. Select the desired file(s) for management, and you will see a menu bar on the bottom of the screen.
4. Tap on the menu bar and you will see more options to choose from.