Trump just got another Assistant AG confirmed but even with that one done still IIRC more than half of the Assistant AG slots are not yet Trump appointees. Here a year and a half later.
The Democrats in the Senate will require to see all of Kavanaugh’s papers while he served in government. Normally Main Justice lawyers (in other words, Obama holdovers) will process those for things like executive privilege, national security information and so forth.
Sessions is bringing in more troops from the field back to HQ in order to get the documents out more quickly and not let lawyers in Main Justice drag their feet on document processing which might jeopardize getting Kavanaugh confirmed before the Supreme Court term starts in October.
The Democrats don't have the power to "require" all the Kavanaugh papers.
As I said in my previous post to you, I believe it is up to the majority chairman Senator Grassley to determine when the committee votes and I know that it only requires 51 votes on the floor to end debate.
I thought they had ‘X’ amount of time dedicated for the investigation and then the vote...