Function convert 

pub fn convert(
    input_path: &Path,
    config: &ProcessingConfig,
) -> Result<PdfDocument, EdgePdfError>

Main entry point: convert a PDF file to structured data.

Arguments

• input_path - Path to the input PDF file
• config - Processing configuration

Returns

• Result<PdfDocument> - The extracted structured document

Errors

Returns an error if the PDF cannot be loaded or processed.