I am creating a stationery set in illustrator, consisting of a letterhead, an envelope and a business card. When I save it as a pdf, the artboards do not align to the same margins. What I want to accomplish is, all my artboards having the same width in pdf format. However, I don't want to change the actual width my artboards need to have. They have to be the size necessary for printing. I want the effect to be purely for viewing, as shown in these images.
Is this at all possible? I have tried looking for an answer on the internet but all I get is changing the actual size of my artboards. Thanks.