An image processing apparatus includes a reception unit configured to receive specification of a plurality of material electronic documents and an instruction on generation of an integrated electronic document based on the plurality of material electronic documents, a display unit configured to, when the reception unit receives the instruction, display on a display unit a setting screen for receiving setting on the generation of the integrated electronic document from the plurality of material electronic documents before the integrated electronic document is generated, and a generation unit configured to, based on the setting received via the setting screen, generate the integrated electronic document from the plurality of material electronic documents.