Since Disqus is an optional feature, it is not activated on every Opendatasoft portal. The activation of Disqus depends entirely on the portal administrators.
Disqus is a service that can be integrated into an Opendatasoft portal. It allows users to post comments in order to share ideas, opinions or to ask questions about a dataset. It is also possible to answer another user's comment.
To comment on a dataset, or reply to someone's comment:
Disqus also allows sharing of comments or whole discussions through social networks.
Disqus comments are moderated by the portal administrators, that can be recognized by the "MOD" inscription next to their Disqus username. They have the right and possibility to delete comments, as well as to ban users.