The following are common methods you will want to call in your front end templates:
craft.iconPicker.spritesheet(path)#Returns the raw contents of an SVG Spritesheet for a provided path. Used to output the spritesheet on your site, inline with your template content.
craft.iconPicker.fontUrl(path)#Returns the full URL to a font file, provided the given relative path.
Available for Craft 4. Get it from the plugin store.