The config is currently if you're on desktop, you get text copied to the clipboard. On mobile, you get text + an image to share. Sharing points are 'Challenge a friend' and 'Share result' on the Performance Review, or you can share your career card from the Career Record.
I added the image to the mobile shares as early users were screenshotting for x eg https://x.com/investingidiocy/status/2075471303809659212