Xodo: Where to find the annotation tools
There are two ways to use the annotation tools in Xodo: from the top annotation toolbar and from the quick tools menu.
Method 1: From the top annotation toolbar.
Tap the Annotation Toolbar icon on the Action Bar. If you don't see the Action Bar, tap the center of your screen while on the page.
Method 2: Quick tools menu.
You can access this option by pressing in the center of the screen while viewing a document.