Apple Pages, like Microsoft Word, is a full-featured document creation tool. Because you can use it for free on macOS, iOS, and iPadOS, this makes it a solid choice for creating reports, contracts, ...
You can convert Pages to PDF on a Mac using the default exporting method to make sharing with non-Mac users much easier, for instance.
It's a common need to want to save and export a Microsoft Word document as a different file type. Fortunately, you can use Microsoft Word to export documents in a variety of file types, including PDF.