Help to import easydiscuss threads as evergreens

Hello,

Is it possible to help us importing our existing posts from easysocial as evergreens posts in Joocial ?
We asked the Extly team but they dont know well the ED database structure

Here's the tutorial for default joomla content :
http://www.extly.com/docs/autotweetng_joocial/tutorials/faq-evergreens

I understand if you cannot help with this 3rd ext