Ranked in these QuestionsQuestion Ranking
Pro Appealing visualizations
Hard to compare with what you have to code by hand (Shiny)
Tableau makes it easy to SEE your data and make business decisions based on it.
Pro No complex installations / IT approvals needed
If you want to start using Tableau at your company, you don't need huge IT resources or start a big BI deployment. Just purchase the software, install, and you're ready to go. Maybe you don't need ANY IT help at all.
Pro Great support
Both Tableau's support team AND the user community are super helpful and enthusiastic about the product.
Pro Easy to learn
You don't have to be super techy to understand it. You can learn how to use Desktop over the course of two days.
Once you start using Tableau you don't want to use any other software anymore. So if your manager is obsessed with e.g. Excel, you may have issues.