A processing apparatus includes a generation unit configured to generate print data that is based on a print job, an identification unit configured to identify a preparation time necessary for preparing the print data to be generated by the generation unit, a prediction unit configured to predict a permitted time permitted until preparation of second print data to be printed after first print data is printed is completed on the basis of a preparation time necessary for preparing the first print data, a reception unit configured to receive a supply request for the print data when printing is to be carried out by a printing unit, and a determination unit configured to determine whether print data of a predetermined unit including the second print data generated by the generation unit is to be stored in a print data storage unit.