Images that are placed into InDesign that utilize an effect (Darken or Multiply) and then exported as a normal High Res PDF and placed into AEM are not showing correctly in the thumbnail. I can download the file and the PDF is okay - but the user looking through thumbnails will see a large white box where the photo is supposed to be. This issue started about a week ago and occurs on PDFs made in InDesign 2018 and 2019. Is it a setting in InDesign that isn't being executed properly or is it somet...