All whiteboard sticky notes are 100% editable.
Open the Whiteboard sticky note you would like to edit by double clicking on it.
Click the 4 Arrow icon located at the bottom of the to move any objects around the Whiteboard.
To move a Text Box, after clicking the 4 arrow icon, long-click on the box you want to move until it shows a dotted box around it.
It is now ready to be moved anywhere on the screen.
Once you are done, click anywhere else on the whiteboard to unselect the Text Box.