A family of Microsoft word processing software products for creating web, email, and print documents.
It is not a bug. No matter what you do with zoom and the horizontal scrollbar, Word will not show you any part of the picture that doesn't fit within the paper width of the document.
The second part of the AI's response is correct. You can use the Picture Format > Size controls to reduce the picture to fit completely within the page, you can change the orientation to Landscape, or you can (if your printer driver allows it) change the paper size to some larger value.