To find your own properties that you have flagged for sharing:
Click [Properties] on the platform menu
Click [Search]
Select [For Sale] or [Rental]
Click [More options]
Select any particular property [Status] if needed, if you display No Preference in the [Status] text box, all property statuses will display
Select [Shared for Sale] or rent
Unselect [Not Shared for Sale] or rent
Click [Search]
Related articles:
Do I need to share all the properties I post?