Need to check if the below functionalities/requirements are feasible in pega 8.5.

1. Any type document attached to the case should get converted to PDF.

2. Understand when we export to excel only 10000 records can be extracted in lower pega 7.x versions. Can please let us know if this is fixed in 8.5.

3. Is there any OOTB to stamp any uploaded document using the signature image which will be uploaded in the system.

4. Is there any OOTB in pega 8.5 for document annotation?