Known PDF to TIFF conversion issues and solutions …
1. PDF to TIFF conversion fails when opening a PDF file.
The PDF document is password-protected.
Open the PDF file in Adobe Acrobat or some other PDF reader / editor. Resave the file as .TIF (be sure to turn of RGB and CMYK color management). Otherwise, print out the score and then scan the printed material into SmartScore.
2. SmartScore reports that the PDF to TIFF conversion is a color PDF.
The PDF document was created as an RGB color file which cannot be processed by SmartScore.
Even if the document looks to be black&white, it can still be saved as a color file.
Open the PDF file in Adobe Acrobat or some other PDF reader / editor and print out the score if possible. Then scan the printed material into SmartScore.