Questions of Yosra Jemati

User Yosra Jemati has sent us the following questions:

I wanted to know if there is a possibility that a user can only see or only manage a selected set of questionnaires and not all the available questionnaires on the server. In other words, I want to know if there is a possibility to give a user limited access to the library on the server.

Supervisor-level users can only see the assignments and interviews of their teams.
See also request from @ask, regarding the similar level isolation at HQ level:

another question was:

Also I wanted to ask you if you can provide me with more information on the API.
See here:
Please, post a specific question to the API section of this forum.