Go to your photos and select which image(s) you want to convert to a PDF.
Note: You can select multiple images to save into one PDF file.
Once you selected your image(s), select the Share icon at the bottom of the screen.
Scroll down the menu until you see Print, then select Print.
In the Printer Options screen, perform the pinch-out gesture on the image to create the PDF.
Select the Share icon again and choose Save to Files.
Choose where to save your PDF file and tap Save.
Open the Files app and navigate to the location where your PDF was saved. If needed, swipe left on the home screen and search for Files.