Yes, if you value space saving, cross-device syncing, and longevity.
: This public library blog provides a curated list of toolkits and databases for manga fans, including links to reading guides and educational resources. Useful Guides for Creators
If you have scanned physical manga pages:
: An ultimate handbook covering manga's roots from the 12th century to modern English-language hits like Fruits Basket Battle Royale The Beginner's Guide to Manga and Anime
Before downloading hundreds of files, it is crucial to understand why the PDF format is loved—and sometimes hated—by the manga community.