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With the package tgpagello everything works perfect, adobe distiller embeds all fonts!
I like the combination of palatino together with Euler for the formulas, for me, from an aesthetical point of view, it's the best choice, but "degustibus non est disputandum".

I don't have access to Acrobat ...

I have written a book and the printer demands a pdf/X-3 which should be possible with the Acrobate distiller. But it doesn't work, the distiller gives the message:
%%[ Error: Palatino-Roman not found. Font cannot be embedded. ]%%
%%[ Error: invalidfont; OffendingCommand: findfont ]%%.
Im using ...