I often give you PDFs for proofing print material via email, but it’s better to be as light as possible! . I’ll make a note of the settings I usually use to create lightweight PDFs.
Commercial printed materials are very often bottlenecked by the volume of images placed due to high resolution, so the image quality is Sacrifice.
Customers tend to confuse how clean it looks on a PC screen with how clean it is when printed on their own printer.
For those who don’t do print design, it’s no surprise that they don’t understand. When it comes to printing (commercial printing), it comes out beautifully. You may need to follow up with a follow-up.