If you don’t have a scanner – one of these might be useful too.
Adobe Scan app for both Apple or Androids via a link for either on this page.
Microsoft Office Lens for Apple by iTunes
Microsoft Office Lens for Android
Document scanners for Android (Go to Google Play Store and search for “Document Scanner”)
DocuScan for Apple
Who needs to fax anything anymore! But if you do, you can find apps for that too.