This idea has been merged into another idea. To comment or vote on this idea, please visit S1-I-788 Improve: Contacts - Customer & Suppliers tabs : limited space, poor layout in notes & no options to save information related files, pdfs etc....
Viewing when a monthly statement was last sent to the customer would be most helpful in avoiding multiple statements being sent to the same customer. I believe this information is in Xero, and customers we have moved from Xero to Sage have asked why this information is not available in the customer accounts in Sage.