Hello Andrew,

I am sorry for the late reply.
I can't understand you well. Regarding,

I can't enable comments in posts

I wasn't able to replicate this issue since the comment button is working correctly. Here my screenshot: http://screencast.com/t/jpN24WW5c . About

integrate with the Jomsocial toolbar

may I know what is the issue and perhaps you explain more so that we can understand you better.

Please be advise.
Thanks.