Can canadians use gift cards online?

If I am in Canada, Why can't I use my gift card online? The lady at my local sephora store said I could.

This is an excerpt of the original post.View the full conversation
(0) Hearts

How can Iget a refund on a $250 gift card? My hubby got me it but if I can't shop online I'm not interested.The stores are way overpriced.