Tesseract Fallback Logic in IronOCR
The exception Could not initialize Tesseract. The fallback logic failed is thrown when the Microsoft Visual C++ Redistributable for Visual Studio is not installed on your target machines.
Please see this Knowledge Base article for more detailed information - Visual C++ Redistributable for Visual Studio
Alternatively you may download from Microsoft - https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads