It seems Serif Affinity Designer supports export to Photoshop formats (.psd) by default, so it should be natural choice for .afdesign to .pdf conversion. We do not know about any 3rd party solution capable of this conversion. If you know any, please let us know in the discussion below.
Convert Serif Affinity Designer document to Adobe Photoshop graphics file.
We have found 2 software records in our database eligible for .afdesign to .psd file format conversion.
Microsoft Windows software - convert afdesign to psd on Windows
Vector graphic design software
Convert from afdesign 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 afdesign to psd. 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 afdesign to psd on OS X
Professional graphic design software for the Mac