Tableau's claim about not Sandboxing this extension

[mumtaz-lilly]

Hi, We reached out to Tableau to understand why they cant sandbox this extension. And this is what they said -

"Unfortunately, the partner (Information Lab) have not provided us with their code so we cannot make them sandboxed (which is when Tableau hosts the code). It's likely that these extensions require some server-side code to run, which is why they choose to host it themselves. If the problem is that you don't feel comfortable with your company's data leaving your network, you could reach out to those partners and see if they would be OK with letting you run the dashboard extensions from a web server within your network. Not every partner is OK with this, since it would mean sharing their source code (intellectual property), but it may be worth asking".

We dont want to use any network extension due to data security reasons. Please suggest.

Is there any server-