You can find the topic where the content is set for reuse, or the source of a reused element. You can view the source topic even if you do not own or that is in released state.
Procedure
Check out the topic that reuses the content in Oxygen XML Author.
Place the cursor in the conref for which you want to locate the source.
In Oxygen XML Author, click SDL Tridion Docs > Conref > Open source object.
The source topic opens in a read-only mode.
To locate the source topic in Tridion Docs, click SDLTridion Docs > Properties.