Is there Perspective Cropping in Elemants 11? How do I access this feature or is it not available?
Perspective cropping feature is not available in PSE. For that you need to have Photoshop.
What operating system are you using?
If your on a windows there is free plugin that should work.
Perspective Transformations:
http://www.vicanek.de/plugins/perspective.htm
Thank you!