Yes it is possible.
What you can do is create a channel package. This is a single embed code, and you can load it with a live channel and then later remove the live channel and replace it with the VOD on your DaCast account without having to swap out the embeds.
Here is a Channel Package Walkthrough.
If you want to organize your VODs in the new Back Office, follow this walkthrough.
If you want to create a package in the new Back Office, follow this link.