To make changes to a document, in the upper-right corner, select Edit Document > Edit.
If someone else created the document, they might not allow editing. You can go to File > Save as, save it with another name, and edit the new document. Or you can ask the document owner to enable editing.
You can do these simple tasks in Reading view:
-
View and add comments
-
Share a document so you can work together with other people at the same time
-
Download a copy
-
Print
