Metadata in Pages Documents

The only "metadata" that you have any user control over in a Pages v7.3 document is the Author in Pages : Preferences : General. This information is not exported to Word .docx, or PDF. If you were tracking changes between Pages and Word users, then it is possible the Author name may appear in that context. I set my Author field to "Collaborator". 😎

Metadata is only meaningful in a Pages discussion when considering Pages '09 v4.n documents which allowed entry of six metadata fields in the content via the Document Inspector : Info panel. Subsequent Pages v5 and later applications, which were entirely different application architecture, dropped this Info panel means of entering metadata into a document. All that they allow is the Author name from the Pages Preferences : General panel.

The only application that can open, and alter the respective Pages document metadata is the version of Pages that created it (unless on Mojave, where Pages '09 no longer functions). The other requirement is that you are the original author, in the original user account. Regardless of the Pages document application source, a Finder Get Info will not reveal any of the document metadata, whether solely the Author, or other as allowed in Pages '09.

Opening any Pages '09 v4.n document in Pages v5 through current only shows the author name, regardless of other metadata that may be in the older document format.

The only feature in any version of Pages related to Microsoft Word is the export document format supported.