Komento + virtuemart 2.0.20 issue (comment are not showing up)

Hello im trying in local to use komento with Virtuemart (latest 2.0.20)
I have follow everything here
http://stackideas.com/docs/komento/integrations/integrating-with-virtuemart.html

I have activated the joomla virtuemart plugin
I have activated the comment and rating system on virtuemart

When i go to the frontent it only show the rating + comment from virtuemart and not komento

is there something im doing wrong?

thank you