We have got problem with Adobe Acrobat Reader. On some computers and some documnets in .pdf open in Reader is wrong font. Some letters are in uknown symbols. When is font in Bolt it's OK. Whne it's normal font it's incorect letter.
Without posting an example PDF file that exhibits such a problem, there is absolutely no way that we can assist you. There are any number of situations, especially in terms of how the PDF was created or subsequently modified that could yield such symptoms.
- Dov Isaacs, former Adobe Principal Scientist (April 30, 1990 - May 30, 2021)