Start with the announcement type, not the avatar. HeyGen is the better first stop if the job is a realistic leadership update, but Synthesia is easier to justify for repeatable enterprise HR and L&D workflows. If the video needs quizzes, branching or SCORM, Colossyan is the more relevant shortlist pick.
Model the edit cost before you commit. HR videos often need last-minute fixes to dates, eligibility wording or regional policy notes, and those rerenders can burn minutes or credits. Ask what happens when you change one sentence after approval.
Treat localisation as policy work, not translation work. Dubbing and translated scripts are useful, but HR content still needs local review for benefits terms, legal wording and cultural tone. A polished avatar saying the wrong thing is worse than a plain email.
Lock down who can use executive and custom avatars. A CEO avatar can make company updates feel more direct, but it also creates consent, misuse and approval risks. Use named owners, limited access, and a clear rule for when AI-generated leadership messages need disclosure.
Check whether the announcement needs to become training content. A simple office update can be an MP4, but compliance changes may need LMS tracking, acknowledgement or quiz results. In that case, SCORM exports and assessment features matter more than having the most lifelike presenter.
Budget for seats, add-ons and unused allowance. The headline monthly price rarely tells the whole story once HR, comms, legal and regional teams all need access. Check whether unused credits or minutes roll over, and whether extra seats add production capacity.