Google Docs service makes real-time collaboration of your documents possible. Your team members can work on the same document at the same time to accomplish tasks quickly and efficiently. You can import documents of any format, add images, tables, data, drawing, link it, share it with others, get approval and feedback from through social commenting feature. In addition to that, all of your documents remain accessible from any where. So you can work even if you are not in the office. Google Docs is accessible through all types of PCs, Tablets and mobile devices including Android and IOS based operating systems. It can be integrated into different Google App for business for enhanced capabilities for documents creation, editing, sharing, privacy and security.
It is also possible for you to work offline with simple web-based browsers like Chrome for Mac or Windows PC.
Not only this, all the editing and revisions done till date can be viewed with just one click.
You will just have to grant individual or groups the right to view update or comment, and by following the the link they will be able to access the documents.