There are a couple of ways to handle this. You can use a workaround to convert HEIC images to JPG (or JPEG) on your iPhone, or you can adjust your settings and switch back to shooting photos in JPG.
You can check them out below. You can try Pantera PDF which is a free software to convert PDF to images including TIFF, PNG, and JPEG. It lets you convert a multipage PDF document to a multipage ...
Converting JPG to PDF on PC :Windows users can effortlessly convert JPG files to PDF without the need for third-party software. Open your image and click the printer icon, triggering a prompt to ...