due to Facebook app has no read later feature. just simply share the link with your decided hashtag e.g. #pocket, it then saved into your Pocket. for privacy concern, share it with "Only Me" accessibility.
If
New link post by you with hashtag
This Trigger fires every time you create a new link post on Facebook with a specific hashtag.
Then
Save for later
This Action will add a new item to your Pocket queue. NOTE: If using an RSS feed Trigger, please limit the number of Pocket saves to no more than a few hundred per week
Discover more time saving integrations for Pocket and Facebook