SVG images have been around for a while and are widely used on websites and in clipart collections. But you cannot import an SVG file into Pages or Keynote directly, without first converting it using professional software. But since Safari handles SVG images without a problem, and you can export as a PDF from Safari, you can use Safari to convert the image to a format that can then be used inside Pages and Keynote documents.
Want to know more about how to use Pages on your Mac? Check out this MacMost course!
Want to know more about how to use Keynote on your Mac? Check out this MacMost course!