Font and Transparency
Fonts, transparencies and other effects used in vector format softwares (Illustrator and InDesign) must be flattened and the fonts outlined. Not flattening transparencies or outlining fonts may result in some text or graphics dropping out from your artwork.
- Make sure to check
“Convert All text to Outlines”
“Convert All Strokes to Outlines”
- Make sure to uncheck
"Preserve Alpha Transparency"
"Preserve Overprints and Source Color"
- Save file as PDF 1.3
- Select All (Ctrl A / Cmd A)
- Object > Flatten Transparency