My 5 cents: Both Tableau and SAS VA are great for interactive reports/dash boards. Both products allow for export of such reports to pdf and both products have interfaces that allow for automation (Tableau: CLI, SAS VA: REST API, SAS VA SDK).
Not sure about Tableau but with SAS you could of course also use SAS/Graph to create such reports. Robert Allison's SAS Graphics Examples
To select what's right for you, I'd also consider migration effort (upskilling included), cost and risk as well as any company policies (like: is there a defined enterprise tool to be used for external reporting, what products are easily available to you/already licensed and installed).
Assuming you're working for a bigger organisation, I'd also try to figure out what other departments use for external reporting and what their experiences are.
...and of course there are also other tools like R and Python that allow for pretty pdf reports.
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