Hello James
A soft bounce indicates that there was a temporary issue on the recipient's end that prevents the email from being delivered. There are a wide variety of issues that could cause a soft bounce, and the soft bounce email event record will contain a message provided by the recipient's ISP or mail server indicating what caused the bounce.
Do you want to see all contacts who are associated with a particular account that have received bounces? If so, you can do so using the following advanced find: