Hi, please advise if there is any administrative console/module available for app studio for the third party app developers? And what user data will be accessible to us from Eikon if an Eikon user tries to access our app? Thanks.
There is an Administration tool available.
But the information is only limited to who subscribed / in a trial on the application.
Please refer to this article.
There is also SSO authentication which will give you the following user information: