Dear GroupDocs Support Team,
We are currently conducting a technical evaluation of GroupDocs.Comparison for PDF document comparison and plan to carry out subsequent procurement. We would appreciate your official and detailed answers to the following questions to help our evaluation and integration.
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Supported SDKs & Programming LanguagesWhich programming languages and official SDKs are currently supported by GroupDocs.Comparison API?Does it provide a native C++ SDK? If not, what is the official recommended way to use it in C++ applications?
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Pricing & LicensingPlease provide official pricing details, pricing page link, or quotation options for the API and on-premise version.What is the licensing model (developer license, server license, subscription, etc.)?
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Core Advantages & Limitations for PDFWhat are the key advantages and known limitations or drawbacks when comparing PDF documents using GroupDocs.Comparison API?
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Scanned / Image-only PDFsDoes the API support comparison of scanned / image-only PDFs?Is OCR pre-processing required or provided natively?
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Comparison of Images inside PDFDoes GroupDocs support comparison of images in PDF files?If supported, can it detect differences such as image addition, deletion, modification, size, position, and content changes?
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Vector Graphics, Shapes & ChartsFor vector graphics in PDFs (lines, shapes, charts, etc.), does GroupDocs support comparison?Can it detect changes in style, position, size, color, and layer properties?
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Annotations & MarkupsDoes the API support comparison of PDF annotations (comments, highlights, text boxes, stamps, shapes)?Can it identify add/delete/edit operations and retain annotation details?
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Background ComparisonDoes GroupDocs support comparison of PDF backgrounds (background color, background image, watermark)?Can it detect additions, deletions, and modifications?
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Feature Differences Between Product VersionsWhat are the differences between GroupDocs.Comparison Cloud API, On-Premise API versions in terms of:PDF comparison accuracySupport for images, graphics, annotations, backgroundsSupported formatsExport and result capabilities
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Advanced Comparison OptionsDoes the API support advanced comparison configurations such as:Comparing only specific page rangesComparing a defined region / area on a single pageIgnoring certain content types (watermarks, headers, footers)
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Supported Text & Format ChangesWhat kinds of font and format changes can GroupDocs API detect?Such as font name, size, bold, italic, underline, color, strikethrough, highlight, character spacing, etc.Please list all detectable text style changes that can be identified and returned in results.
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File LimitationsWhat are the limitations for PDF files when using Cloud API and On-Premise API:Single file size limitMaximum page count per documentSingle page dimension / resolution limitSupport for encrypted / password-protected PDFsLimitations for complex PDFs (complex layouts, multi-layer content, transparency, etc.)Performance and speed limitations
Thank you for your official response to support our technical evaluation and procurement process.Best regards