To export a flow as a PDF, navigate to the board tab you’d like to export. Click the “…” options menu at the top-right corner, and select "Export board as PDF" to download it.
☝️ On the older versions of the Mac app before the Summer Breeze release, this option is located at the bottom left of your flow canvas.
💁♀️ When a flow is exported as a PDF, the comments in the flow canvas will not be visible in the PDF.