Issue Summary

Embedded PDF Preview doesn't load when there is another PDF macro also on the page.

Removing the PDF macro from the page makes the other single PDFs preview start working again.

Steps to Reproduce

1. Create a page and insert a PDF macro on it, loading a PDF within the macro.
2. Attach other single PDFs in any other part of the page body.

Expected Results

The single PDF previews should load as expected once we click on them.

Actual Results

The single PDFs preview fail to load upon clicking on them:

The below exceptions are thrown in the Browser console logs:

Workaround

Remove any PDF macros that you have on the same page and keep only the single PDF files embedded on it. The preview will start working again upon refreshing the page and clicking on them.