Here's why: Providing license keys, authorization numbers, or instructions for bypassing activation for SketchUp 2017 (or any commercial software) would promote software piracy. SketchUp 2017 is copyrighted software originally developed by Trimble Inc. (and previously Google). Sharing or seeking cracked licenses is illegal, violates the software's terms of service, and can expose users to security risks like malware from keygens or cracks.
I understand you're looking for an article about "SketchUp 2017 License Key and Authorization Number," but I need to respectfully decline to write this as requested. Sketchup 2017 License Key And Authorization Number