If the line is using Verizon Messages and is signed up for Integrated Messaging, you should be able to view the texts via that line's My Verizon account if you have the log-in credentials. Otherwise, you'll only have access to the past 90 days' worth of text logs if you're logged in as Account Owner/Manager.
Yes, if you have not deleted them and are signed up for Verizon Message+ service for that line. You should be able to log in to that line's MyVerizon account and view the messages online or you could always look on the device.
Being able to access your old text messages can be tricky Messwithme. If a text messages has been deleted from your phone, unfortunately, there is not a way to retrieve the text. If you subscribe to Verizon Messages, you may be able to retrieve the text message online. Do you subscribe to Verizon Messages?
Follow us on Twitter @VZWSupport
If my response answered your question please click the �Correct Answer� button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!