The typical GL coverages pull into a policy from the insured items for each client. Please find the following short video showing how quickly this can be accomplished. https://www.loom.com/share/201e5f36a92d400e9f20905ffc5b41b0. Also, please find the following steps. I hope this helps! Let us know if you have any questions.
to insured items > properties > add address > up
go back to insured items > General Liability > Add New > check "Use policy coverages"
go to policy > select General Liability in "Line of Business" > link to property > see the GL coverages by selecting the yellow "View" > update.