How about OneNote for Mac? It still the same as the older version but simpler. With the Rights Manage feature, your documents and emails are secured as you can restrict people’s privileges to implement company policies when accessing documents.
Just click on the “head plus” icon and invite other people through email to view your attached document either in its original file format or PDF format.
When it comes to security and sharing features, you can find it easily as it is located in the title bar of each Office 2016 Home and Student for Mac application.