A document processing apparatus includes an operation reception unit and a processing execution unit. The operation reception unit receives an operation for inputting an instruction to a document processing application from a user. The processing execution unit executes, when the operation reception unit receives a single operation, display switching processing for switching, every time the single operation is received, between display and non-display of a button that is assigned an instruction to the document processing application, the button being displayed on a display screen of the document processing application.