If you receive an email notice that you have been granted access to share another person's Documents notebook, you can accept or reject the share.
Click Accept Share in the email. The Accept Share dialog opens and describes the role granted to you.
Before you accept you can customize the notebook name.
Check Send mail about this share, to send a confirmation back to the Grantor. (optional)
Click Yes. The notebook is added to your Notebooks list. The message is moved to your Trash folder.
When you accept the share, the shared notebook displays in your Notebooks list and you have one of the following permissions to access to notebook:
Viewer. You can view the pages and save them to your computer but cannot change them.
Manager. You can view, edit, and delete pages.