Append PDF
Allows you to append a PDF to the currently open PDF.
Insert PDF
Allows you to insert a PDF into the currently open PDF. The new pdf is inserted after the selected page.
Append pages from scanner
Allows you to append pages from a scanner to the currently open PDF.
Scan - use last settings
Scans a page using the last scanner settings used.
Convert images to PDF
Converts images to PDF and appends them to the currently open PDF.