Hello @NatalyaK,
Welcome to the Docentric forum!
I hardly think the usage data deletion is related to the issue you described, and we will do our best to help you find the reason 
First, we need to make sure that you are using a Docentric template for this report. Please enable the following setting to make sure which report runs: Link.
As you will see, after printing the report, the name of the report will be displayed, but also the information if is an SSRS-based document or a template-based document. Please send me a screenshot of the message bar you get.
Next, please enable the same setting for the users experiencing the issue and ensure you are printing the same document.
Let us know the test results, and we will suggest the next steps.