Being able to use SharePoint as external tool for some document to PDF conversions, it was necessary to add an additional queue for such kind of jobs to the code.

The number of threads, that will be used to convert documents via the SharePoint server in parallel can be configured via the following config item:

# The number of engines, working in parallel to execute SharePoint jobs
# Default value: 3
com.openexchange.documentconverter.jobSharePointPr ocessorCount=3