Our business finds this tool very impressive, particularly the drill down to nth level is very good.
Improvements to My Organization:
Yes. we were using BO previously and it took a long time to track particular trade details. In QlikView we get trade level data in seconds.
Room for Improvement:
Yes, Drag and drop of controls. Some geographical charts.
Use of Solution:
I've been using this tool for 4.5 years
None as of now.
Sometimes it creates problem when many users log in at same time, but this also depends on your RAM capacity.