A scan apparatus that communicates with an information processing apparatus that provides a service for information sharing in a virtual space, the scan apparatus includes a user interface that accepts, from a user, selection of a group that is managed by the service, a scanner that generates image data by scanning an image of a document, and a communicator transmits the generated image data to the information processing apparatus, wherein an image of the image data transmitted by the communicator is displayed, to members of the selected group, in a virtual space viewable by members of the selected group.