Will be able to create or modify PDF IOS it?

Internet looking for a long time are not related to the right information.
IOS in the end can not create a PDF?
My project needs to create PDF report files in IOS. There are tables inside and PDF.
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This can only find the source of the
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This is possible. CoreGraphic.Framework there are instructions.
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And drawing the same, first create a CGContextPDFRef.
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Could be able to, but it should not be very simple fishes
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You can view, can not be modified.
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references, 4th Floor zys475481075 reply:

could be able to, but it should not be very simple fishes

What is simple, what is difficult.

Will be a difficult, difficult does not.
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There should be related to the framework is available now.