How do you save or convert to jpeg images? If this app can't do it, can someone recommend a free app which does?
Sorry for the delay in response.
If you referring to convert the scanned PDFs to JPEG images, it is not possible in Adobe Scan.
You will need the Adobe Acrobat subscription in order to convert PDF to JPEG image file.
For more details you may refer to the following help link:
Let us know if you have any questions or need any help.