Can you please share me a link to find 10.7 and 10.11 API gateway cloud version differences
If what you mean by cloud version is webmethods.io API gateway, you can find it in the link below (assuming the version you are referring to is 11.0 instead of 10.11).
Release 11.0.0 - webMethods.io API Gateway
If what you are referring to is standalone installation release notes for version 10.11 you can find it from documentation.softwareag.com by searching “release notes”. Document link is below.