business application integration with google charts and data security

Dear Experts

We have deployed customized business application which is developed using sugar crm and it is hosted on premises. The data that we store is confidential, we have challenges in achieving certain dashboards and understood from developers that they can deliver those but the server requires internet to fetch the javascript library from google server. The library is fetched on each page load and browser renders the chart. The URL from where the library is fetched is 
The chart we integrated with Sugar CRM only downloads a javascript library on each page loads and does not send any data to any server(According to Google). Please refer to this link:
Please suggest If we go with this integration will our data is not exposed to google, we do not suspect google but as per our internal policy we should ensure the data is not exposed to external network, please suggest. Thanks in advance.
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David FavorLinux/LXD/WordPress/Hosting SavantCommented:
No data is ever exposed to anyone, simply by downloading a Javascript file.

Also, the Google Chart system runs locally.

Once the Javascript is fetched, no data every returns home to Google.

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If it's a business application, your data should be only accessible using some credentials.
I think if you can show the graph to the authenticated user, it's not a problem of giving him access to your data source of the chart
If you add some javascript from external source you cannot be sure your data is only available to the user opeing your page.
So it's risky. Today maybe it's safe after analysing the Google source code but this code can change at any moment of the day or in the future.

If it is very sensitive data, generate the chart server side

Data Policy

All code and data are processed and rendered in the browser. No data is sent to any server.

It miss something like : "and we will not change this policy before your agreement"
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