No, CDR recovery software does not recover permanently deleted cdr files. If you genuinely wants to recover cdr files then you can use Hard Drive Recovery Tool for the same.
Yes, The software maintains the data integrity of the cdr images before and after the repair process.
The pro version of the CDR Recovery Software does not impose any limitation the CDR file but there are few restrictions in using the Free version of CorelDraw recovery software
No, The Coreldraw recovery software only supports Windows Operating system.