You can access the CA Gen 8.6 documentation at https://docops.ca.com/display/GEN86/CA+Gen+Home. You can download the PDF for Technical Requirements at https://docops.ca.com/display/GEN86/Technical+Requirements
and the PDF for Release Notes at https://docops.ca.com/display/GEN86/Release+Notes. If you have any feedback, comment on the respective pages.