Service offering system for allowing a client having no account to access a managed object with a limited right

摘要

A service offering apparatus can offer various services, which relates to objects such as document data, with a limited right to a client having no account while maintaining security. The service offering apparatus receives an acquisition request for requesting an acquisition of authentication information used for establishing a session having a limited right with respect to the service offering apparatus and the objects. The service offering apparatus transmits the authentication information, and receives a start request for requesting a start of the session containing the authentication information from a client different from an end to which the authentication information is transmitted.