When a preview of a composed job is performed by composing data outputted from an application for printing, in order to provide a method for enabling the preview to be performed in consideration of a layout of each print job, one composed job is formed by composing the print jobs obtained by converting the data to be printed into the data in an intermediate code format and this method is realized by controlling so as to display the preview of the composed job on the basis of layout information of each print job in the composed job.