Most brainstorming and mind mapping programs nowadays support export and printing to PDF format, so you should not have trouble with saving MindManager maps (.mmp) as .pdf files. Just use MindManager itself or any other similar program that supports MindManager formats.
Convert MindManager map file to Adobe Portable document format.
We found 6 software records in the database related to .mmp to .pdf file format conversion.
Microsoft Windows software - convert mmp to pdf on Windows
A brainstorm mapping software
Convert from mmp 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 mmp 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.
A mind mapping and information organizing tool
Apple macOS / Mac OS X software - convert mmp to pdf on OS X
A brainstorm mapping software.
A mind mapping software for Mac
An app for project managing, concept mapping, brainstorming, etc.
Apple iOS (iPhone, iPad, iPod Touch devices) software - convert mmp to pdf on iOS
A mind mapping app for iOS