Is there a way to be able to see where a particular user is posting
 

I was wondering if there is a mod which allows you to input a username and to produce a list of all of the subforums that person has been posting in including date etc in a tabluar form.

Thanks

Why not just go to the users profile and choose Find latest posts or Find latest started threads?

That will show you pretty much what you need to know.

Thanks for this.
I'm afraid that this doesn't produce the data in a manageable forum
I need it presented so that it is sorted by subforum. What you have suggested simply produces a long list in date order.
If you are dealing with users with several thousands of posts then it is too bulky to work through.

I would really like something which can produce the data which can be then poured into an Excel pie chart or bar chart.

I don't recall seeing anything like that. Your best bet is to pay someone to code it to your specifications. You can put in a paid request here, https://vborg.vbsupport.ru/forumdisplay.php?f=30 just make sure you read the sticky threads befor hiring someone. :)