Before subscribing, you can explore the advanced tools available in the Pro version that are not in the free Essentials plan :
: Convert images and scans into searchable and selectable text. Before subscribing, you can explore the advanced tools
: Features like "Store+Share" and real-time syncing require a connection to official servers, which cracked versions cannot provide. Before subscribing, you can explore the advanced tools
If you don't need the advanced engineering tools, the official free version is still highly capable: Drawboard - Real-time PDF markup tools. Before subscribing, you can explore the advanced tools