Yes. To do so, navigate to your Management Dashboard, click the Topics tab as seen below.
Create a new topic using the orange, "Create New Topic" button as seen above. On the second page when creating a topic, the last category on the page is "Topic Audience (OPTIONAL)" By default, this section is hidden. To show this section, click the orange "Show" button as seen below.
Once you expand this category, you will see the various audience options available (i.e. Demographics, Groups and Email). Note: the Groups audience must be previously created to work properly.
Click on the round, gray button to activate the audience. When you're finished, select either "Update Topic" or "Publish Topic" to save your changes or make the topic live.
Please note: Only one Participant Group can be selected per topic.