PROS: The most widely used PDF reader in the world Adobe Acrobat has advanced features and superior support, Subscription model means you will always have the most up to date version without additional expense
CONS: Some people prefer to pay one time fees for software instead of the recurring cost of software as a service
PROS: Add digital signatures, stamps and annotations to documents, Send signed documents straight to email, No registration or account required, Cheap compared to competitors
CONS: Does not automatically recognize where signatures required, Clumsy interface requires dragging boxes onto document to place signature, Interface makes filling out forms incredibly slow, More popular competitors like DocuSign are free
PROS: It covers and combines many features otherwise available with disperse command line tools., Combines functionality in an intuitive and productive organization., It has a rich GUI structured like an IDE, easy to use, allowing users to maximize productivity., It provides rich information when verifying signatures for PDF, XML or JAR files, referring to signature status, validity and potential warnings.
CONS: The memory consumption can become quite high sometimes., It can take a while to open the application on slower machines., It is not yet covering keys on cryptographic tokens such as HSM (Hardware Security Modules) and smart cards., It is not yet covering all the PDF signature types.
PROS: Add annotations from within the application, Read PDF documents in six different languages, Sign documents electronically, Convert documents to other formats
CONS: Converting documents can produce errors, Resource intensive, Printing can cause systems to become unresponsive, developers are working on this, Prints giberish characters in some instances, developers are looking into this