To add staff ID card, go to Certificate Staff ID Card then fill the details Background Image, Logo, Signature, School Name, Address / Phone / Email, ID Card Title, Header Color and then enable the fields that you want to show in the Staff Id card and then click on the Save button.
Note :- For show the Barcode and QR Code on the staff/admin id, you must enable the button of Barcode / QR Code mention on the last in below screenshot.