VintaSoft PDF .NET Plug-in can be licensed with 4 license types: Reader license; Write license; Reader+Writer license; Reader+Writer+VisualEditor license.

The table below shows what functionality is available with each license type.

Functionality	Reader license	Writer license	Reader+Writer license	Reader+Writer+VisualEditor license
Load PDF document	+	-	+	+
Search text in PDF document and extract text from PDF document	+	-	+	+
Verify PDF document to conformance with PDF/A	+	-	+	+
Render and print PDF document (PDF document without interactive fields and custom appearance annotations)	+	-	+	+
View pages of PDF document (PDF document without interactive fields and custom appearance annotations) in WPF/WinForms/HTML5 image viewer	+	-	+	+
Create new PDF or PDF/A document	-	+	+	+
Draw graphics on PDF page	-	+	+	+
Save PDF document	-	+	+	+
Convert image to PDF or PDF/A document	-	+	+	+
Render and print PDF document (any PDF document)	-	-	+	+
View pages of PDF document (any PDF document) in WPF/WinForms/HTML5 image viewer	-	-	+	+
Manage PDF document structure	-	-	+	+
Edit content of PDF page or form object	-	-	+	+
Work with low-level object tree of PDF document	-	-	+	+
Create and edit PDF annotations of PDF document	-	-	+	+
Comment PDF document	-	-	+	+
Create, edit and fill interactive form of PDF document	-	-	+	+
Fill interactive form of PDF document in WPF/WinForms image viewer	-	-	+	+
Comment PDF document in WPF/WinForms image viewer	-	-	+	+
Verify digital signatures of PDF document, sign a PDF document	-	-	+	+
Protect PDF document	-	-	+	+
Optimize, compress and cleanup PDF document	-	-	+	+
Convert PDF document to a PDF/A document	-	-	+	+
Edit PDF document content in WPF/WinForms image viewer	-	-	-	+