Thanks for reaching out. Due to privacy concerns, Sprint don't store any text message content, which is the actual text of the message sent between you and someone else. The text message detail displayed on your MySprint account includes the send phone number, the receive phone number, and date/time the message was sent and received. The report does not include the content of the message.
Please visit: http://sprint.co/1Y7hnxz for more information and for instructions on how to access your Text messages detail on Sprint.com.