Business Questions
Focused answers to common business questions about QR codes, tracking, PDFs and Google reviews.
Do QR Codes Expire?
Static QR codes do not expire by themselves. Dynamic QR codes can stop working when the redirect, account or destination fails.
Can You Change a QR Code After It Has Been Printed?
You cannot change printed QR pixels, but dynamic redirects and business-owned URLs can let you change the destination later.
Can You Track Who Scanned a QR Code?
Trackable QR codes can show scan time, approximate location, device type and repeat activity, but not personal identity by default.
Can You Track Whether Someone Opened a PDF?
PDF opens can be tracked through hosted viewers, tracked links or controlled webpages, but normal PDF attachments do not report reads.
Can You Track Which QR Code Generated a Google Review?
You can track which review QR code was scanned, then compare scan activity with review growth without claiming exact attribution.