I do not have the access rights to create a third-party application.
My colleage do have theses rights but for security reasons don’t want to grant them.
I would like to now if he can share with me his own third-party applicaction ?
I did not find anything on the documentation. He can have access to his side but I cannot see it from my side
If you use Developer console and go to the sharing & tokens he can add you to the Share application section with either editor or viewer permission so you can view and use the Dev console application he created.
HTH,
I guess you do need application access to the developer console. However, there is a separate role required for actually creating third party applications. So access to the developer console and granted rights on the respective application should work.