Readiris is an OCR software for Mac OS built to convert your scans, images...
— Does ReadIris 11.6 run on Mac Sierra or other earlier versions of the Mac OS?
I can't say if version 11.6 will run on Sierra, but I do found out that the latest release (ReadIris 16) is compatible with the following versions of the famous OSX system: Compatible with Macintosh... OSX 10.9, 10.10,10.11 and 10.12 (Sierra).
As you can see, it supports High Sierra. I've verified on the official website for the previous versions but couldn't find anything. Read more