PageMaker 7.0 workflows frequently involved placing EPS files (often saved from Illustrator 8 or 9) inside other EPS files. Modern Distillers flatten these incorrectly, resulting in white boxes or missing clipping paths.
If you are working with legacy layouts in Adobe PageMaker 7.0 , the debate between using Acrobat Distiller 4.x vs. 5.x adobe acrobat distiller 4x 5x for pagemaker 70 better