Before using the spinning feature, make sure you know how to use our polygon tool.
Make an object spin
Draw a polygon

Use the lasso tool
to select any object

Side Adorner will show up on the right/left

Select
then select Show Segments

Then select your object to see Side Adorner again

Select
to spin
You can check out our video tutorial as well:
For more information, see the myViewBoard wiki:
https://wiki.myviewboard.com/Adorning_Menu