The latest version of Sonar Bookend Professional was released in 2012 and El Capitan was still years away which could mean it won't run on this version of Mac OSX.
However, since there is no mention about the compatible versions of OSX, the only thing that remains is for you to test the application using the available download.
The latest version of Sonar Bookend Professional was released in 2012 and El Capitan was still years away which could mean it won't run on this version of Mac OSX.
However, since there is no mention about the compatible versions of OSX, the only thing that remains is for you to test the application using the available download.