To share a sheet:
1. Click Share in the top right corner.
2. Click on Share.
3. Enter the email addresses of the collaborators with whom you want to share the document.
4. You can allow the collaborator to only read the sheet (View), read and can only make comments (View and Comment), read and edit the sheet (Edit) or let the collaborator share the document along with editing (Share).
The sharing option can be modified after you enter the name of the collaborator.
You can set the visibility of the sheet as follows:
Collaborators only - Lets only the people with whom you shared see the document
Everyone in the Organization - Members within a specific organization can view it.
Password protected - Only those with the password can access the spreadsheet.
Public - Anyone can view it.