A printing apparatus according to one aspect of the present invention sets a printing condition, which specifies a condition for permitting printing using a sheet, for that sheet in accordance with an instruction from a user. The printing apparatus then decides on a sheet feed tray, from a plurality of sheet feed units, for which printing using the sheet contained in the sheet feed unit is permitted, as a sheet feed source, based on the printing condition and printing settings including a setting regarding the sheet feed source for the sheet to be used in a print job. Furthermore, the printing apparatus executes the print job using the sheet contained in the sheet feed tray that has been decided on.