It might be the PDF viewer/editor you are using, particularly if it is an online tool rather than a stand-alone workstation application. PDFs from Archicad, like the layout you have, can be very complex with lots of vector information, both visible and hidden, from the model. I have had the best results with locally installed Adobe Reader or Standard, or Professional. On Mac, you might also try Preview.
Another test of the PDF could be dropping it into Archicad, either in the Layout book, or just a worksheet or plan view. Archicad is excellent and handling large and complex PDFs. See if it all comes in as it should.
BTW, complex PDFs can choke printers, resulting in random content simply being dropped from the hardcopy. If that happens, Adobe has a check box to "Print as Image" which does all the vector to raster conversion on the computer and then sends a dumb, but high-resolution raster image to the printer.
Ransom Ratcliff RATCLIFF CONSULTING LLC Charrette Venture Group ArchiCAD 4.55 - 26 Autodesk Certified Professional in Revit macOS + Windows
Thank you for the response, the printer was defintetly having trouble. I used Adobe to open the file, although it took some time to load all the details, it finally opened with zero lag. I took a step further to optimize the PDF document (reduced it), as mentioned above the printer was still having trouble excuting the the needed task. There was howver an issue with the handcopy being pixilated after I selected "print as image".