Yes, you can use .svg images in ShortPoint Design Elements, that have Image or Image link field in their settings (for example, Image, Image Lists, Tiles, Image Carousels etc.):
Simply choose the .svg image from the SharePoint library using the File Picker, or paste the .svg image link to the Image / Image Link field.
Note: You might see a warning stating that it is Unsupported Image type. You may simply ignore this warning, as the image will still load.
We have this warning, as the .svg is a vector format: such images are recommended to use for logos or icons, while .png and .jpg, raster formats, for displaying photos and images.