By default, the platform does not have this option. You can use the following CSS code to adjust margins between Activity Feeds and Sidebars.
Please follow the steps below:
1. Go to BuddyBoss > Theme Options
2. Under Custom Codes, enable CSS
3. Append the following:
.directory.activity #primary {
padding-left: 30px;
padding-right: 30px;
}
4. Save changes