I'm a Galaxy watch 4 user and I've seen some posts like this one that confirm that the strava beacon feature can be used in wear os like the apple watch does:
"Wear OS 3 and higher devices without LTE functionality will need to be connected to your phone in order to send a Beacon message when starting an activity from the Wear OS Strava app."
And in the the watch app I can't find any option to enable it.
Thanks