Smart Notebook software supports export of their formats as PDF documents, so that would be your first and main choice for this conversion. As far as we know, no other program supports .xbc files so it is unlikely you could perform this conversion in other programs.
Convert SMART Notebook file to Adobe Portable document format.
We found one software available in the database for this conversion.
Microsoft Windows software - convert xbc to pdf on Windows
A collaborative learning software
Convert from xbc file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.