Plan a small set before exporting the first sticker
Start with three useful reactions, such as a greeting, a thank-you and a confirmation. Give each its own SVG, but keep the canvas, palette and line weight consistent. Choose motion that supports the meaning of each reaction without making one item much busier than the rest.
This editor handles one source at a time. Save your SVG files and note the animation choices you want to repeat. A pack is a collection of individual assets; one export does not contain every sticker.