To manage stored document using licenses and to use only the required number of licenses at required time.

A license management device manages licenses regarding stored documents to be provided to a stored document using means by a stored document provision means, and has: a license management means for managing the licenses; a license acquisition request receiving means (S130) for receiving acquisition requests from the licenses from the stored document provision means; and a license transmitting means (S134) for transmitting the licenses to the stored document provision means according to the acquisition requests of the licenses.