1. First open the scanning omnipotence APP, then enter the main interface, and then click to enter my document interface.
2. Click the three dot icons in the upper right corner to set options, and then click the PDF setting options in the drop-down list.
3. On the PDF Settings page, click to change the page size and orientation of the PDF. Users can see the size of each size below, or click Add a new PDF size below, which is entirely up to the user.