If avoiding legal risk, consider:

Limited Permissions: Because they don't install system-wide, many portable apps can run on computers where you don't have administrative privileges, such as at a library or office. Navigating the Megathread for Portables

The "Portable" aspect usually refers to the Megathread being hosted off-site (like on GitLab) or formatted in a way that can be easily downloaded and viewed offline. This is a brilliant strategic move. By decoupling the information from Reddit, the creators have future-proofed the database against subreddit bans or deletions.

: You can carry your entire workspace—including browser history, extensions, and configurations—on a single flash drive. Safety and Best Practices

Converting the megathread to a PDF makes it easily shareable and readable on e-readers or tablets.