By default, Scanner Pro relies on the Apple’s Mail app to send scans via email. If scans can’t be sent from Scanner Pro, this is most likely because the Mail app is not installed, properly configured, or your email is simply stuck in the Outbox.
You can either try troubleshooting steps to fix the Apple's Mail-related issues or use other email services apps such as Spark, Gmail, Outlook, etc. to email scans.
Once done, try sending scans again. If it doesn’t work, there might be a problem on the Mail app side or issues with your email provider. To check it, open the Mail app on your device and try sending a test email with a .pdf attachment (for example to yourself), then check if you received it.
Other reasons might be:
If you still can’t send scans via email, there might be the following reasons: