A system to control an access right to apparatus log information of a plurality of output apparatuses includes a memory to store group hierarchical information indicating a hierarchical relationship of a plurality of service-use groups including at least a first service-use group where a first service user belongs, and a second service-use group where a second service user belongs, and group relationship information associating the first service-use group with at least one service provider group where one service provider person belongs, and associating the second service-use group with at least another one service provider group where another service provider person belongs, and circuitry to determine the access right to the apparatus log information of any one of the plurality of output apparatuses for the first service user, the second service user, the one service provider person, and the another one service provider group selectively.