Not displaying articles via “View ALL” button is usually caused that your website can not be shown in the iFrame.

It means that if you click on the “View ALL” button - you can only see the white background:

There is an issue with X-Frame-Options. You can check more information by this article

To solve it you should set next API addresses in the X-Frame-Options: ALLOW-FROM:  and

In case you have any questions, please let us know. 

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