Accessing data fro Post Indexer

Hi there
I installed Post Indexer because when I read your web page I understood that all the posts (and the different post types) will be copied in a single site (I expected the root to be the one).

From what I have seen, the copy occurs but not exactly as expected. I expected my product post types to be copied into the products of the root... my list remains empty.

I can see all the products in the network admin, but where are they located?
How can I get access to them?

Thank you in advance!
Kind regards,
Dominique