Changing Z Order
Z order is the overlapping of 2 dimensional objects on a page to move a piece content either in front of or behind of another item on the page. Z order of annotations can easily be changed following the instructions below.
From Right Click Context Menu
- Using the Hand Tool
or Object Selection Tool 
- Select the content items that you wish to change the z order.
- Right click, (Mac: Ctrl + Click) on any of the selected Content and go to Move and select where you wish to move the annotation to.
Options
Bring to Front - Moves the selected item to the top above all other items
Send to Back - Moves the selected item to the bottom below all other items
Bring Forward - Moves the selected item one step above it's current location
Send Backwards - Moves the selected item one step below it's current location