When you open a document that uses fonts not installed on your computer, a missing font notification appears briefly at the top of the document. To see which fonts are missing and to choose replacements, click the notification or (if the notification is no longer visible) choose Format > Font > Replace Fonts. To learn more, see on your Mac, then open two or more documents.
Do any of the following:
View a different document: Click the tab with the document’s title.
Close a document: Move the pointer over the document’s tab, then click the Find a document in Pages on MacSave and name a document in Pages on Mac