Request for adding support for multiple print areas. GemBox.Spreadsheet offers an API for setting a print area on each worksheet, with a SetPrintArea method:
On the following link there is an example that demonstrates how to set worksheet's print area:
Currently, this method supports setting only a single cell range as a print area.
GemBox.Spreadsheet introduced support for this, it is accomplished by using "SetPrintArea(IEnumerable<CellRange> ranges)" overload method: