Directly on the bottom of the photo itself, over a solid white band that keeps it readable regardless of what's behind it — the photo's dimensions don't change, so it still fits the exact size your form expects.

Yes — press Enter in the text box for a new line. Common uses are a name on one line and a date on the next.

Not currently — it's kept deliberately simple with one control (text size) so it stays quick to use. Black text on a solid white band is designed to stay legible on any photo.

No — it works for any photo that needs a name, date, or label printed on it, exam-related or not.