You can use GIMP or another free converter software or an online tool to convert HEIC or HEIF images to PDF format on your Windows PC.

If you want to convert PDF to SVG on Windows PC, use one of these free online PDF to SVG converter tools, Software or Command-line tools.

If you have an image, scan, or screenshot you need to quickly send as a PDF, there are plenty of JPG-PDF conversion sites and apps that can help.