How do I edit and delete annotations?

Annotations can be edited or deleted. Different tools have different attributes that can be edited. Refer to individual tools for those editable attributes.

Tap on an annotation to select it. An annotation specific menu will appear in the top right. 
  • To delete, tap the trash icon
  • To edit, select one of the other options from the menu such as eraser, color, rotation, etc.

Look here for more information about the eraser.