I am seeing lines at fixed interval (they vary in colors) in the raster image of my layout once exported in a pdf format (ArcGIS Pro 2.5). I have tried different different resolution, different image compression, etc. Any thoughts?
This artifact is known - it is a line created by the reader (it's not actually a line in the PDF). We reported this to Adobe some time ago, they promised a fix in the next update of Adobe Reader/Acrobat.
Some users have found that using "Export As Image" option in Pro alleviates this issue.
Since I had to provide PDF format, I decided to try print to PDF instead and surprisingly no line on the pdf. The only thing is I had to print to pdf every map of my map series separately. But it was a short series, so solve my issues. I have updated Adobe not too long ago, but will stay on top of it, to see if they fix this issue.
