Update troubleshooting-telerikreportviewer-execcommand-javascript-err…

[IvetNikolova]

…or.md

[yordan-mitev]

KB articles of type "Troubleshooting" must also explain the cause when it is known. As you provide two solutions, I guess you know the cause and can describe it here. See Troubleshooting Scenarios and the Troubleshooting KB template.

[yordan-mitev]

• Make sure that both headings have an identical grammatical structure, as currently they aren't parallel.
• For a better form, list the two solutions under the ## Solutions heading and link each of them to its section.

Suggested change

	### For a Browser
	You can resolve the problem in either of the following ways:
	* [By configuring the browser](#configuring-the-browser)
	* [By creating an Endpoint](#creating-an-endpoint)
	### Configuring the Browser

[yordan-mitev]

Suggested change

	### By Creating an Endpoint
	### Creating an Endpoint

[yordan-mitev]

Suggested change

	Use the [printBegin(e, args)]({%slug telerikreporting/using-reports-in-applications/display-reports-in-applications/web-application/html5-report-viewer/api-reference/reportviewer/events/printbegin(e,-args)%}) event to manually handle scenarios where the user has configured their PDF document settings to Download PDFs.
	Use the [`printBegin(e, args)`]({%slug telerikreporting/using-reports-in-applications/display-reports-in-applications/web-application/html5-report-viewer/api-reference/reportviewer/events/printbegin(e,-args)%}) event to manually handle scenarios where the user has configured the browser's PDF document settings to download PDFs.

[yordan-mitev]

Suggested change

	There is no direct JavaScript API to check this setting. However, the [navigator.pdfViewerEnabled](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/pdfViewerEnabled) property toggles between true and false when the setting changes. To handle scenarios where the PDF viewer is disabled, you can create a custom endpoint for rendering reports as PDFs, following the approach described in the [Exporting a report to PDF Programmatically]({%slug exporting-a-report-to-pdf-programmatically%}) article in Telerik Reporting. This endpoint is invoked manually whenever the PDF viewer is disabled.
	There is no direct JavaScript API to control this setting. However, the [`navigator.pdfViewerEnabled`](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/pdfViewerEnabled) property toggles between `true` and `false` when the setting changes. To handle scenarios where the PDF viewer is disabled, you can create a custom endpoint for rendering reports as PDFs, following the approach described in the [Exporting a report to PDF Programmatically]({%slug exporting-a-report-to-pdf-programmatically%}) article in Telerik Reporting. This endpoint is invoked manually whenever the PDF viewer is disabled.