The article gives a nice overview in case your organization would like start with data visualization. It is written by Ywan van Loon and based on research from Edward Segel and Jeffrey Heer. You can use data visualization to tell a story based on (big) data. The story can be used to communicate within the organization, with partners and with clients. But it can also be used as a marketing content especially when you make it worth to share.
What is the problem analysed?
In general it is more a solution then a problem. It may solve a part of the Big Data challenge to use data. With the right interpretation you can let your data talk.
But before starting to make a narrative of your data you need to find the question or problem you would like to have solved.
We can help you analyzing the problem and based on the analysis create a solution.