Represents the privileges for accessing Pdf file. Refer to[PdfFileSecurity](/pdf/python-net/aspose.pdf.facades/pdffilesecurity/).
There are 4 ways using this class:
1.Using predefined privilege directly.
2.Based on a predefined privilege and change some specifical permissions.
3.Based on a predefined privilege and change some specifical Adobe Professional permissions combination.
4.Mixes the way2 and way3....allow_assembly Sets the permission which allow assembly or not...on screen only. assembly Allows assemblying file. allow_all All...