In the Windows version of MetaMoJi Note/Share, it is possible to save a note as a PDF file simply by installing a printer driver that allows PDF conversion.
Here, learn how to do it using the Adobe Acrobat printer driver
To learn more about Adobe Acrobat, see the Adobe website.
Adobe Acrobat Website (Adobe)
After installing Adobe Acrobat, "Adobe PDF" will be added to the list of printer drivers, and this can be selected when preparing to print.
On MetaMoJi Note/Share, select "Adobe PDF" as the printer driver to print.