Hi Ruth Anne,
Thanks for contacting support.
Yes you are correct. Aspose.Pdf.Generator offers the capability to create PDF documents from scratch. However if you need to manipulate existing PDF file, we recommend you to please try using Aspose.Pdf namespace. It provides the capabilities to create PDF documents from scratch as well as manipulate existing documents. For further information, please visit
- Encrypt PDF File using Different Encryption Types and Algorithms
- Set Privileges on an Existing PDF File
- Add Text in an Existing PDF File
- [Create Filled Rectangle Object]
Should you have any further query, please feel free to contact.