You have given them blanket consent -- they can look at your statements at any time they wish. Even if they were using hard copies, supplied by you, they are entitled to ask for whatever they wish and reasonably require.
My opinions are merely that .. opinions based on experience. Always seek professional advice.
IVA Completed 23rd July 2013 .... C.C. 10th January 2014 http://foggy.blogs.iva.co.uk
If you have no problems then nothing to worry about.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk