Welcome to the community, @Lionel_Chouraqui! :grinning_face_with_big_eyes: Sorry that this has gone unanswered for so long.

You didn’t say this specifically in your original post, but I’m assuming you’re talking about Page Designer. While it’s a bit tricky, you can create a multi-page layout in Page Designer. You just have to make the “page” dimensions large enough to cover more than one page. I gave a bit more info about that in the latter half of this reply: