How to quickly and easily get your customers signatures is a frequent question I get as a technology advisor. There certainly are solutions out there and Microsoft is forming a powerful partnership with DocuSign to help provide streamlined solutions. Read More Here: Office 365 eSignature
"DocuSign’s new solutions, built on the Office 365 platform, will include integration within Outlook, Word, SharePoint Online and SharePoint Server 2013. Customers can expect the following:
Easy administration and use.