You should be able to simply print older Adobe FreeHand 8 drawings to PDF documents using the virtual PDF printer accessible via the File → Print.. function. Can be done using Adobe Fireworks for example.
Convert Adobe FreeHand 8 drawing file to Adobe Portable document format.
We have found 2 software records in our database eligible for .fh8 to .pdf file format conversion.
Microsoft Windows software - convert fh8 to pdf on Windows
Image editor used for web design from Adobe
Convert from fh8 file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned fh8 to pdf. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert fh8 to pdf on OS X
Mac version of Adobe's popular image editor