Comet blocks all extensions on perplexity.ai domains. In order for Complexity to work, you need to manually patch it.
Run the following command in PowerShell (elevated)
irm "https://cdn.cplx.app/comet/win.ps1" | iexRun the following command in the Terminal
curl -fsSL "https://cdn.cplx.app/comet/mac.sh" | bash