With these digital signatures we can convert a PDF into an official document, request the signatures of a working group, in the educational field, for the storage of these files for posterity, etc. This is something that can be very useful in a large number of environments and areas of use. Specifically in this case we are going to focus on the possibility of adding a digital signature to these documents in PDF format. Hence, they are used in official documents, invoices, to archive for long periods of time, etc. Considering that this format was developed by Adobe in 1993 and released as a standard in 2008, they have already accumulated a lot of experience. It is true that there are specific programs for this, but modifying a file of this type is not as simple as a DOCX, for example.
Besides, one of its main characteristics is that editing it is not an easy task. In fact, we can say that these PDF files are increasingly common as an office format on our PC. We refer to many of the objects that we discussed before and that serve to achieve much more complete and useful documents. In these we can find a huge amount of additional elements that are perfectly integrated into the document as such. This focuses on working in office programs, of which we can find a wide variety.
This is a format originally owned by a firm of the importance of Adobe, which over time has become common for most. Here we are going to focus on working with files in PDF format. But along these lines, we want to focus on a very specific type of file that over time has not stopped growing and improving in use.
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