1. Have the PDF open in safari.
(Most PDF's you click on in Safari will open in their own web tab)
2. Tap on the open in/Share button on the top of the browser.
3. Tap on the Copy to Snap&Read icon.
iPadOS 13:
1. Have the PDF open in safari.
(Most PDF's you click on in Safari will open in their own web tab)
2. Tap on the open in/Share button on the top of the browser.
3. Tap on Snap&Read.
4. Tap on Copy to Snap&Read.